Vulnerability-Lookup

CERTFR-2026-AVI-1256

Vulnerability from certfr_avis - Published: 2026-10-02 - Updated: 2026-10-02

De multiples vulnérabilités ont été découvertes dans les produits IBM. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une élévation de privilèges et un déni de service à distance.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
IBM	QRadar Deployment Intelligence App	QRadar Deployment Intelligence App versions antérieures à 3.0.20
IBM	AIX	AIX version 7.2 sans les derniers correctifs de sécurité
IBM	QRadar SIEM	QRadar SIEM versions 7.5.x antérieures à 7.5.0 UP16 IF01
IBM	Sterling Partner Engagement Manager Essentials Edition	Sterling Partner Engagement Manager Essentials Edition versions 6.2.4.x antérieures à 6.2.4.5
IBM	QRadar Pre-Validation App	QRadar Pre-Validation App versions antérieures à 3.0.0
IBM	QRadar Use Case Manager App	QRadar Use Case Manager App versions antérieures à 4.2.0
IBM	QRadar SIEM	QRadar SIEM versions 7.6.x antérieures à 7.6.0.4
IBM	Sterling Secure Proxy	Sterling Secure Proxy versions 6.2.x antérieures à 6.2.1.3
IBM	QRadar Threat Intelligence	QRadar Threat Intelligence versions antérieures à 2.6.0
IBM	Sterling Partner Engagement Manager Standard Edition	Sterling Partner Engagement Manager Standard Edition versions 6.2.4.x antérieures à 6.2.4.5
IBM	Sterling Partner Engagement Manager Essentials Edition	Sterling Partner Engagement Manager Essentials Edition versions 6.3.0.x antérieures à 6.3.0.3
IBM	AIX	AIX version 7.3 sans les derniers correctifs de sécurité
IBM	VIOS	VIOS version 4.1 sans le dernier correctif de sécurité
IBM	Sterling Secure Proxy	Sterling Secure Proxy versions 6.1.x antérieures à 6.1.0.5

References

Title

Publication Time

CVE-2026-52924 (GCVE-0-2026-52924)

Vulnerability from cvelistv5 – Published: 2026-06-24 07:14 – Updated: 2026-10-19 19:47

Title

sctp: purge outqueue on stale COOKIE-ECHO handling

Summary

In the Linux kernel, the following vulnerability has been resolved: sctp: purge outqueue on stale COOKIE-ECHO handling sctp_stream_update() is only invoked when the association is moved into COOKIE_WAIT during association setup/reconfiguration. In this path, the outbound stream scheduler state (stream->out_curr) is expected to be clean, since no user data should have been transmitted yet unless the state machine has already partially progressed. However, a corner case exists in sctp_sf_do_5_2_6_stale(): when a Stale Cookie ERROR is received, the association is rolled back from COOKIE_ECHOED to COOKIE_WAIT. In this scenario, user data may already have been queued and even bundled with the COOKIE-ECHO chunk. During the rollback, sctp_stream_update() frees the old stream table and installs a new one, but it does not invalidate stream->out_curr. As a result, out_curr may still point to a freed sctp_stream_out entry from the previous stream state. Later, SCTP scheduler dequeue paths (FCFS, RR, PRIO, etc.) rely on stream->out_curr->ext, which can lead to use-after-free once the old stream state has been released via sctp_stream_free(). This results in crashes such as (reported by Yuqi): BUG: KASAN: slab-use-after-free in sctp_sched_fcfs_dequeue+0x13a/0x140 Read of size 8 at addr ff1100004d4d3208 by task mini_poc/9312 CPU: 1 UID: 1001 PID: 9312 Comm: mini_poc Not tainted 7.1.0-rc1-00305-gbd3a4795d574 #5 PREEMPT(full) sctp_sched_fcfs_dequeue+0x13a/0x140 sctp_outq_flush+0x1603/0x33e0 sctp_do_sm+0x31c9/0x5d30 sctp_assoc_bh_rcv+0x392/0x6f0 sctp_inq_push+0x1db/0x270 sctp_rcv+0x138d/0x3c10 Fix this by fully purging the association outqueue when handling the Stale Cookie case. This ensures all pending transmit and retransmit state is dropped, and any scheduler cached pointers are invalidated, making it safe to rebuild stream state during COOKIE_WAIT restart. Updating only stream->out_curr would be insufficient, since queued and retransmittable data would still reference the old stream state and trigger later use-after-free in dequeue paths.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-16 15:22 UTC

CWE

CWE-825 - Expired Pointer Dereference
CWE-416 - Use After Free

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7063 records in the last 180 days details

References

15 references

URL	Tags
https://git.kernel.org/stable/c/84b7a319105db2f91…
https://git.kernel.org/stable/c/f46e1d1a758878f0d…
https://git.kernel.org/stable/c/3c0741a441a7df709…
https://git.kernel.org/stable/c/2afc9e684dc7fecf7…
https://git.kernel.org/stable/c/1d4652f677906a644…
https://git.kernel.org/stable/c/a6207349e703cfc04…
https://git.kernel.org/stable/c/83ade59e5da365f4b…
https://git.kernel.org/stable/c/e374b22e9b07b72a2…
https://access.redhat.com/security/cve/CVE-2026-52924	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2492095	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:67471	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:59723	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:59821	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:59737	vendor-advisoryx_refsource_REDHAT

Impacted products

9 products

Vendor	Product	Version
Linux	Linux	Affected: 5bbbbe32a43199c2b9ea5ea66fab6241c64beb51 , < 84b7a319105db2f917ccdcf502bdc866082b1285 (git) Affected: 5bbbbe32a43199c2b9ea5ea66fab6241c64beb51 , < f46e1d1a758878f0d22c4fbbd1bf42bb7165d1e8 (git) Affected: 5bbbbe32a43199c2b9ea5ea66fab6241c64beb51 , < 3c0741a441a7df7099d7ca6a64a6a0de09c677c8 (git) Affected: 5bbbbe32a43199c2b9ea5ea66fab6241c64beb51 , < 2afc9e684dc7fecf73db1edc937ebbc47b4b68dc (git) Affected: 5bbbbe32a43199c2b9ea5ea66fab6241c64beb51 , < 1d4652f677906a64487c13f9ace54b0eb263b5d0 (git) Affected: 5bbbbe32a43199c2b9ea5ea66fab6241c64beb51 , < a6207349e703cfc04756a4d16dec9176135813a5 (git) Affected: 5bbbbe32a43199c2b9ea5ea66fab6241c64beb51 , < 83ade59e5da365f4bf8bce72c5a38774202b442f (git) Affected: 5bbbbe32a43199c2b9ea5ea66fab6241c64beb51 , < e374b22e9b07b72a25909621464ff74096151bfb (git)
Linux	Linux	Affected: 4.15 Unaffected: 0 , < 4.15 (semver) Unaffected: 5.10.259 , ≤ 5.10.* (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.143 , ≤ 6.6.* (semver) Unaffected: 6.12.94 , ≤ 6.12.* (semver) Unaffected: 6.18.36 , ≤ 6.18.* (semver) Unaffected: 7.0.13 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:4.18.0-553.158.1.rt7.499.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::nfv
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:4.18.0-553.158.1.el8_10 , < * (rpm) cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:5.14.0-687.42.1.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9 cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

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CVE-2026-52991 (GCVE-0-2026-52991)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:29 – Updated: 2026-10-21 12:41

Title

sched/psi: fix race between file release and pressure write

Summary

In the Linux kernel, the following vulnerability has been resolved: sched/psi: fix race between file release and pressure write A potential race condition exists between pressure write and cgroup file release regarding the priv member of struct kernfs_open_file, which triggers the uaf reported in [1]. Consider the following scenario involving execution on two separate CPUs: CPU0 CPU1 ==== ==== vfs_rmdir() kernfs_iop_rmdir() cgroup_rmdir() cgroup_kn_lock_live() cgroup_destroy_locked() cgroup_addrm_files() cgroup_rm_file() kernfs_remove_by_name() kernfs_remove_by_name_ns() vfs_write() __kernfs_remove() new_sync_write() kernfs_drain() kernfs_fop_write_iter() kernfs_drain_open_files() cgroup_file_write() kernfs_release_file() pressure_write() cgroup_file_release() ctx = of->priv; kfree(ctx); of->priv = NULL; cgroup_kn_unlock() cgroup_kn_lock_live() cgroup_get(cgrp) cgroup_kn_unlock() if (ctx->psi.trigger) // here, trigger uaf for ctx, that is of->priv The cgroup_rmdir() is protected by the cgroup_mutex, it also safeguards the memory deallocation of of->priv performed within cgroup_file_release(). However, the operations involving of->priv executed within pressure_write() are not entirely covered by the protection of cgroup_mutex. Consequently, if the code in pressure_write(), specifically the section handling the ctx variable executes after cgroup_file_release() has completed, a uaf vulnerability involving of->priv is triggered. Therefore, the issue can be resolved by extending the scope of the cgroup_mutex lock within pressure_write() to encompass all code paths involving of->priv, thereby properly synchronizing the race condition occurring between cgroup_file_release() and pressure_write(). And, if an live kn lock can be successfully acquired while executing the pressure write operation, it indicates that the cgroup deletion process has not yet reached its final stage; consequently, the priv pointer within open_file cannot be NULL. Therefore, the operation to retrieve the ctx value must be moved to a point *after* the live kn lock has been successfully acquired. In another situation, specifically after entering cgroup_kn_lock_live() but before acquiring cgroup_mutex, there exists a different class of race condition: CPU0: write memory.pressure CPU1: write cgroup.pressure=0 =========================== ============================= kernfs_fop_write_iter() kernfs_get_active_of(of) pressure_write() cgroup_kn_lock_live(memory.pressure) cgroup_tryget(cgrp) kernfs_break_active_protection(kn) ... blocks on cgroup_mutex cgroup_pressure_write() cgroup_kn_lock_live(cgroup.pressure) cgroup_file_show(memory.pressure, false) kernfs_show(false) kernfs_drain_open_files() cgroup_file_release(of) kfree(ctx) of->priv = NULL cgroup_kn_unlock() ... acquires cgroup_mutex ctx = of->priv; // may now be NULL if (ctx->psi.trigger) // NULL dereference Consequently, there is a possibility that of->priv is NULL, the pressure write needs to check for this. Now that the scope of the cgroup_mutex has been expanded, the original explicit cgroup_get/put operations are no longer necessary, this is because acquiring/releasing the live kn lock inherently executes a cgroup get/put operation. [1] BUG: KASAN: slab-use-after-free in pressure_write+0xa4/0x210 kernel/cgroup/cgroup.c:4011 Call Trace: pressure_write+0xa4/0x210 kernel/cgroup/cgroup.c:4011 cgroup_file_write+0x36f/0x790 kernel/cgroup/cgroup.c:43 ---truncated---

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-16 15:24 UTC

CWE

CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7063 records in the last 180 days details

References

12 references

URL	Tags
https://git.kernel.org/stable/c/d8ddbc3330fa6851c…
https://git.kernel.org/stable/c/af0638534bfae7980…
https://git.kernel.org/stable/c/03dc070fa0fc3cb40…
https://git.kernel.org/stable/c/d4352c0709bfd38c7…
https://git.kernel.org/stable/c/a5b98009f16d8a5fb…
https://access.redhat.com/security/cve/CVE-2026-52991	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2492403	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:57251	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:57252	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:57253	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:57254	vendor-advisoryx_refsource_REDHAT

Impacted products

7 products

Vendor	Product	Version
Linux	Linux	Affected: 0e94682b73bfa6c44c98af7a26771c9c08c055d5 , < d8ddbc3330fa6851c56b046e630a8fc64830a0ce (git) Affected: 0e94682b73bfa6c44c98af7a26771c9c08c055d5 , < af0638534bfae7980582c6482531a0872f8ee341 (git) Affected: 0e94682b73bfa6c44c98af7a26771c9c08c055d5 , < 03dc070fa0fc3cb4068693f468ccd5f8a7e58282 (git) Affected: 0e94682b73bfa6c44c98af7a26771c9c08c055d5 , < d4352c0709bfd38c752fccbde7fd72a82ac78f23 (git) Affected: 0e94682b73bfa6c44c98af7a26771c9c08c055d5 , < a5b98009f16d8a5fb4a8ff9a193f5735515c38fa (git)
Linux	Linux	Affected: 5.2 Unaffected: 0 , < 5.2 (semver) Unaffected: 6.6.160 , ≤ 6.6.* (semver) Unaffected: 6.12.114 , ≤ 6.12.* (semver) Unaffected: 6.18.33 , ≤ 6.18.* (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched/psi: fix race between file release and pressure write\n\nA potential race condition exists between pressure write and cgroup file\nrelease regarding the priv member of struct kernfs_open_file, which\ntriggers the uaf reported in [1].\n\nConsider the following scenario involving execution on two separate CPUs:\n\n   CPU0\t\t\t\t\tCPU1\n   ====\t\t\t\t\t====\n\t\t\t\t\tvfs_rmdir()\n\t\t\t\t\tkernfs_iop_rmdir()\n\t\t\t\t\tcgroup_rmdir()\n\t\t\t\t\tcgroup_kn_lock_live()\n\t\t\t\t\tcgroup_destroy_locked()\n\t\t\t\t\tcgroup_addrm_files()\n\t\t\t\t\tcgroup_rm_file()\n\t\t\t\t\tkernfs_remove_by_name()\n\t\t\t\t\tkernfs_remove_by_name_ns()\n vfs_write()\t\t\t\t__kernfs_remove()\n new_sync_write()\t\t\tkernfs_drain()\n kernfs_fop_write_iter()\t\tkernfs_drain_open_files()\n cgroup_file_write()\t\t\tkernfs_release_file()\n pressure_write()\t\t\tcgroup_file_release()\n ctx = of-\u003epriv;\n\t\t\t\t\tkfree(ctx);\n \t\t\t\t\tof-\u003epriv = NULL;\n\t\t\t\t\tcgroup_kn_unlock()\n cgroup_kn_lock_live()\n cgroup_get(cgrp)\n cgroup_kn_unlock()\n if (ctx-\u003epsi.trigger)  // here, trigger uaf for ctx, that is of-\u003epriv\n\nThe cgroup_rmdir() is protected by the cgroup_mutex, it also safeguards\nthe memory deallocation of of-\u003epriv performed within cgroup_file_release().\nHowever, the operations involving of-\u003epriv executed within pressure_write()\nare not entirely covered by the protection of cgroup_mutex. Consequently,\nif the code in pressure_write(), specifically the section handling the\nctx variable executes after cgroup_file_release() has completed, a uaf\nvulnerability involving of-\u003epriv is triggered.\n\nTherefore, the issue can be resolved by extending the scope of the\ncgroup_mutex lock within pressure_write() to encompass all code paths\ninvolving of-\u003epriv, thereby properly synchronizing the race condition\noccurring between cgroup_file_release() and pressure_write().\n\nAnd, if an live kn lock can be successfully acquired while executing\nthe pressure write operation, it indicates that the cgroup deletion\nprocess has not yet reached its final stage; consequently, the priv\npointer within open_file cannot be NULL. Therefore, the operation to\nretrieve the ctx value must be moved to a point *after* the live kn\nlock has been successfully acquired.\n\nIn another situation, specifically after entering cgroup_kn_lock_live()\nbut before acquiring cgroup_mutex, there exists a different class of\nrace condition:\n\nCPU0: write memory.pressure               CPU1: write cgroup.pressure=0\n===========================\t\t  =============================\n\nkernfs_fop_write_iter()\n kernfs_get_active_of(of)\n pressure_write()\n   cgroup_kn_lock_live(memory.pressure)\n     cgroup_tryget(cgrp)\n     kernfs_break_active_protection(kn)\n     ... blocks on cgroup_mutex\n\n                                     \t  cgroup_pressure_write()\n                                     \t  cgroup_kn_lock_live(cgroup.pressure)\n                                     \t  cgroup_file_show(memory.pressure, false)\n                                     \t    kernfs_show(false)\n                                     \t      kernfs_drain_open_files()\n                                     \t        cgroup_file_release(of)\n                                     \t          kfree(ctx)\n                                     \t            of-\u003epriv = NULL\n                                     \t  cgroup_kn_unlock()\n\n   ... acquires cgroup_mutex\n   ctx = of-\u003epriv;        // may now be NULL\n   if (ctx-\u003epsi.trigger)  // NULL dereference\n\nConsequently, there is a possibility that of-\u003epriv is NULL, the pressure\nwrite needs to check for this.\n\nNow that the scope of the cgroup_mutex has been expanded, the original\nexplicit cgroup_get/put operations are no longer necessary, this is\nbecause acquiring/releasing the live kn lock inherently executes a\ncgroup get/put operation.\n\n[1]\nBUG: KASAN: slab-use-after-free in pressure_write+0xa4/0x210 kernel/cgroup/cgroup.c:4011\nCall Trace:\n pressure_write+0xa4/0x210 kernel/cgroup/cgroup.c:4011\n cgroup_file_write+0x36f/0x790 kernel/cgroup/cgroup.c:43\n---truncated---"
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CVE-2026-53009 (GCVE-0-2026-53009)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:29 – Updated: 2026-10-21 12:41

Title

ice: fix double-free of tx_buf skb

Summary

In the Linux kernel, the following vulnerability has been resolved: ice: fix double-free of tx_buf skb If ice_tso() or ice_tx_csum() fail, the error path in ice_xmit_frame_ring() frees the skb, but the 'first' tx_buf still points to it and is marked as valid (ICE_TX_BUF_SKB). 'next_to_use' remains unchanged, so the potential problem will likely fix itself when the next packet is transmitted and the tx_buf gets overwritten. But if there is no next packet and the interface is brought down instead, ice_clean_tx_ring() -> ice_unmap_and_free_tx_buf() will find the tx_buf and free the skb for the second time. The fix is to reset the tx_buf type to ICE_TX_BUF_EMPTY in the error path, so that ice_unmap_and_free_tx_buf(). Move the initialization of 'first' up, to ensure it's already valid in case we hit the linearization error path. The bug was spotted by AI while I had it looking for something else. It also proposed an initial version of the patch. I reproduced the bug and tested the fix by adding code to inject failures, on a build with KASAN. I looked for similar bugs in related Intel drivers and did not find any.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-16 15:24 UTC

CWE

CWE-416 - Use After Free

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7063 records in the last 180 days details

References

13 references

URL	Tags
https://git.kernel.org/stable/c/359906450690a1d70…
https://git.kernel.org/stable/c/eb6cf492ae991e40e…
https://git.kernel.org/stable/c/910e498613d5bf4cb…
https://git.kernel.org/stable/c/4c08fc2119ef0281c…
https://git.kernel.org/stable/c/1a303baa715e6b78d…
https://access.redhat.com/security/cve/CVE-2026-53009	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2492390	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:42919	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:65712	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:54246	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:65711	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:54247	vendor-advisoryx_refsource_REDHAT

Impacted products

8 products

Vendor	Product	Version
Linux	Linux	Affected: d76a60ba7afb89523c88cf2ed3a044ce4180289e , < 359906450690a1d70545220bde82ba74f3fd80f8 (git) Affected: d76a60ba7afb89523c88cf2ed3a044ce4180289e , < eb6cf492ae991e40e1e5b2d3f32ec06e9cc678db (git) Affected: d76a60ba7afb89523c88cf2ed3a044ce4180289e , < 910e498613d5bf4cbe5f298c2613666c38679fab (git) Affected: d76a60ba7afb89523c88cf2ed3a044ce4180289e , < 4c08fc2119ef0281cfa2cee007acf0a251be55f2 (git) Affected: d76a60ba7afb89523c88cf2ed3a044ce4180289e , < 1a303baa715e6b78d6a406aaf335f87ff35acfcd (git)
Linux	Linux	Affected: 4.17 Unaffected: 0 , < 4.17 (semver) Unaffected: 6.6.160 , ≤ 6.6.* (semver) Unaffected: 6.12.114 , ≤ 6.12.* (semver) Unaffected: 6.18.57 , ≤ 6.18.* (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:6.12.0-211.37.1.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:4.18.0-553.155.1.rt7.496.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::nfv
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:4.18.0-553.155.1.el8_10 , < * (rpm) cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

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                    "Technical Impact": "total"
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                "timestamp": "2026-10-16T15:24:39.029257Z",
                "version": "2.0.3"
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                "cweId": "CWE-416",
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          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "4.17"
            },
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              "version": "0",
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              "version": "6.12.114",
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              "status": "unaffected",
              "version": "6.18.57",
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              "status": "unaffected",
              "version": "7.0.10",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "*",
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              "version": "7.1",
              "versionType": "original_commit_for_fix"
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      "cpeApplicability": [
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix double-free of tx_buf skb\n\nIf ice_tso() or ice_tx_csum() fail, the error path in\nice_xmit_frame_ring() frees the skb, but the \u0027first\u0027 tx_buf still points\nto it and is marked as valid (ICE_TX_BUF_SKB).\n\u0027next_to_use\u0027 remains unchanged, so the potential problem will\nlikely fix itself when the next packet is transmitted and the tx_buf\ngets overwritten. But if there is no next packet and the interface is\nbrought down instead, ice_clean_tx_ring() -\u003e ice_unmap_and_free_tx_buf()\nwill find the tx_buf and free the skb for the second time.\n\nThe fix is to reset the tx_buf type to ICE_TX_BUF_EMPTY in the error\npath, so that ice_unmap_and_free_tx_buf().\nMove the initialization of \u0027first\u0027 up, to ensure it\u0027s already valid in\ncase we hit the linearization error path.\n\nThe bug was spotted by AI while I had it looking for something else.\nIt also proposed an initial version of the patch.\n\nI reproduced the bug and tested the fix by adding code to inject\nfailures, on a build with KASAN.\n\nI looked for similar bugs in related Intel drivers and did not find any."
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              "lang": "en",
              "value": "AV:L - The vulnerable code is in the ice driver\u0027s local transmit path reached through socket/netdev transmission, not by parsing received network packets directly. A remote peer may induce ordinary replies, but the malformed/offload-error SKB state needed for this bug is locally generated.\nAC:L - There is no race; once an attacker can create an SKB that makes ice_tso() or ice_tx_csum() fail, the stale tx_buf state is deterministic. In a controlled netdev namespace or delegated ice/SF deployment, the attacker can also quiesce/bring down the interface before the next packet overwrites the slot.\nPR:L - The strongest reasonable path requires local ability to generate crafted/offloaded transmit SKBs and control the affected netdev lifecycle, which can be namespace-level CAP_NET_ADMIN over a delegated ice netdev rather than host init-namespace root. It is therefore more than unauthenticated remote access but not necessarily high host administrator privilege.\nUI:N - No victim user action is required in the attacker-controlled local scenario; the attacker can send the triggering packet and then cause cleanup. The bug is completed by driver cleanup, not by a separate user opening or mounting content.\nS:U - The corruption occurs within the host kernel/driver memory management context and affects the same security authority. This is not a KVM guest-to-host, IOMMU, or separate-scope boundary bypass.\nC:H - This is a double-free of an skb pointer retained in the TX ring, a heap memory corruption condition equivalent to a use-after-free primitive. Such corruption can plausibly be shaped into kernel memory disclosure.\nI:H - A double-free of a kernel heap object can corrupt allocator metadata or a reallocated object and can plausibly be leveraged for arbitrary write or control-flow impact. Under the required conservative scoring rule, this warrants high integrity impact.\nA:H - Even without full exploitation, the second dev_kfree_skb_any() on an already freed skb can trigger allocator/KASAN/slab corruption detection or a kernel crash. Repeated triggering can therefore cause high availability impact."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-21T12:41:47.600Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/359906450690a1d70545220bde82ba74f3fd80f8"
        },
        {
          "url": "https://git.kernel.org/stable/c/eb6cf492ae991e40e1e5b2d3f32ec06e9cc678db"
        },
        {
          "url": "https://git.kernel.org/stable/c/910e498613d5bf4cbe5f298c2613666c38679fab"
        },
        {
          "url": "https://git.kernel.org/stable/c/4c08fc2119ef0281cfa2cee007acf0a251be55f2"
        },
        {
          "url": "https://git.kernel.org/stable/c/1a303baa715e6b78d6a406aaf335f87ff35acfcd"
        }
      ],
      "title": "ice: fix double-free of tx_buf skb",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-53009",
    "datePublished": "2026-06-24T16:29:20.332Z",
    "dateReserved": "2026-06-09T07:44:35.378Z",
    "dateUpdated": "2026-10-21T12:41:47.600Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-53016 (GCVE-0-2026-53016)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:29 – Updated: 2026-10-19 19:47

Title

crypto: ccp - copy IV using skcipher ivsize

Summary

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - copy IV using skcipher ivsize AF_ALG rfc3686-ctr-aes-ccp requests pass an 8-byte IV to the driver. ccp_aes_complete() restores AES_BLOCK_SIZE bytes into the caller's IV buffer while RFC3686 skciphers expose an 8-byte IV, so the restore overruns the provided buffer. Use crypto_skcipher_ivsize() to copy only the algorithm's IV length.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-16 15:24 UTC

CWE

CWE-805 - Buffer Access with Incorrect Length Value

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7063 records in the last 180 days details

References

23 references

URL	Tags
https://git.kernel.org/stable/c/939061b2d0f7f1511…
https://git.kernel.org/stable/c/798d409a8949f3f49…
https://git.kernel.org/stable/c/dfb2cf43482981926…
https://git.kernel.org/stable/c/eecee15e263ccb8cd…
https://git.kernel.org/stable/c/bb01d8f1f385bc903…
https://git.kernel.org/stable/c/df9784bb5b637ac80…
https://git.kernel.org/stable/c/227c1e1d9e2aa4cfc…
https://git.kernel.org/stable/c/a7a1f3cdd64d8a165…
https://access.redhat.com/security/cve/CVE-2026-53016	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2492269	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:64767	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:39494	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67723	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:59544	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:56574	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:38491	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:55764	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:65710	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:59473	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:61256	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:55765	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67721	vendor-advisoryx_refsource_REDHAT

Impacted products

43 products

Vendor	Product	Version
Linux	Linux	Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < 939061b2d0f7f15114e34b4ce878ef50ff4089c3 (git) Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < 798d409a8949f3f495f238549b86de2886b129bd (git) Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < dfb2cf434829819268fe50f41542aad318ad62b2 (git) Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < eecee15e263ccb8cd77170a56ab6c969cb54dd6a (git) Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < bb01d8f1f385bc9034ca114d3508c7fdea24fc9a (git) Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < df9784bb5b637ac80f4a2768a58ca9a50bef28a9 (git) Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < 227c1e1d9e2aa4cfc65ba446d5690da1f546cda4 (git) Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < a7a1f3cdd64d8a165d9b8c9e9ad7fb46ac19dfc4 (git)
Linux	Linux	Affected: 3.14 Unaffected: 0 , < 3.14 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.141 , ≤ 6.6.* (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.33 , ≤ 6.18.* (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux AppStream EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.4)	cpe:/a:redhat:rhel_e4s:9.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux BaseOS EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux BaseOS (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux BaseOS (v. 8)	cpe:/o:redhat:enterprise_linux:8::baseos
Red Hat	Red Hat Enterprise Linux BaseOS AUS (v.8.4)	cpe:/o:redhat:rhel_aus:8.4::baseos
Red Hat	Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)	cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
Red Hat	Red Hat Enterprise Linux BaseOS AUS (v.8.6)	cpe:/o:redhat:rhel_aus:8.6::baseos
Red Hat	Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)	cpe:/o:redhat:rhel_eus_long_life:8.6::baseos
Red Hat	Red Hat Enterprise Linux BaseOS E4S (v.8.8)	cpe:/o:redhat:rhel_e4s:8.8::baseos
Red Hat	Red Hat Enterprise Linux BaseOS TUS (v.8.8)	cpe:/o:redhat:rhel_tus:8.8::baseos
Red Hat	Red Hat Enterprise Linux BaseOS E4S (v.9.2)	cpe:/o:redhat:rhel_e4s:9.2::baseos
Red Hat	Red Hat Enterprise Linux BaseOS E4S (v.9.4)	cpe:/o:redhat:rhel_e4s:9.4::baseos
Red Hat	Red Hat Enterprise Linux BaseOS EUS (v.9.6)	cpe:/o:redhat:rhel_eus:9.6::baseos
Red Hat	Red Hat Enterprise Linux BaseOS (v. 9)	cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat	Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux CRB (v. 8)	cpe:/a:redhat:enterprise_linux:8::crb
Red Hat	Red Hat CodeReady Linux Builder EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::crb
Red Hat	Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)	cpe:/a:redhat:enterprise_linux:9::crb
Red Hat	Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux Real Time for NFV (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux NFV (v. 8)	cpe:/a:redhat:enterprise_linux:8::nfv
Red Hat	Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::nfv
Red Hat	Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4)	cpe:/a:redhat:rhel_e4s:9.4::nfv
Red Hat	Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::nfv
Red Hat	Red Hat Enterprise Linux Real Time for NFV (v. 9)	cpe:/a:redhat:enterprise_linux:9::nfv
Red Hat	Red Hat Enterprise Linux Real Time EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux Real Time (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux RT (v. 8)	cpe:/a:redhat:enterprise_linux:8::realtime
Red Hat	Red Hat Enterprise Linux Real Time E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::realtime
Red Hat	Red Hat Enterprise Linux Real Time E4S (v.9.4)	cpe:/a:redhat:rhel_e4s:9.4::realtime
Red Hat	Red Hat Enterprise Linux Real Time EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::realtime
Red Hat	Red Hat Enterprise Linux Real Time (v. 9)	cpe:/a:redhat:enterprise_linux:9::realtime

Show details on NVD website

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To clipboard

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CVE-2026-53136 (GCVE-0-2026-53136)

Vulnerability from cvelistv5 – Published: 2026-06-25 08:38 – Updated: 2026-06-29 04:18

Title

drm/amd/display: Clamp VBIOS HDMI retimer register count to array size

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Clamp VBIOS HDMI retimer register count to array size [Why & How] The VBIOS integrated info tables (v1_11 and v2_1) contain HdmiRegNum and Hdmi6GRegNum fields that are used as loop bounds when copying retimer I2C register settings into fixed-size arrays (dp*_ext_hdmi_reg_settings[9] and dp*_ext_hdmi_6g_reg_settings[3]). These u8 fields are not validated before use, so a malformed VBIOS can specify values up to 255, causing an out-of-bounds heap write during driver probe. Clamp each register count to the destination array size using min_t() before the copy loops, in both get_integrated_info_v11() and get_integrated_info_v2_1(). (cherry picked from commit 5a7f0ef90195940c54b0f5bb85b87da55f038c69)

Severity

No CVSS data available.

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7063 records in the last 180 days details

References

7 references

URL	Tags
https://git.kernel.org/stable/c/029571d5114065078…
https://git.kernel.org/stable/c/5f8b39452fb16f507…
https://git.kernel.org/stable/c/4d1c3c26c2ab1842e…
https://git.kernel.org/stable/c/d6be8e59af412623e…
https://git.kernel.org/stable/c/3f32d52ec604c6597…
https://git.kernel.org/stable/c/8aaa7e317fbd4beb9…
https://git.kernel.org/stable/c/fb0707ce00eef4e2d…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a , < 029571d51140650783be4fb98fe7cb4754752086 (git) Affected: 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a , < 5f8b39452fb16f507c9e4d8b4a83ce27e893307c (git) Affected: 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a , < 4d1c3c26c2ab1842e139e61983395d64bd2e518b (git) Affected: 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a , < d6be8e59af412623e3d874be3a048406c0edfe60 (git) Affected: 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a , < 3f32d52ec604c659725d865cf8cc6a17a33f9c6a (git) Affected: 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a , < 8aaa7e317fbd4beb9c6a9f77aa4cf52fae78b117 (git) Affected: 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a , < fb0707ce00eef4e2d60c3020e1c0432739703e4a (git)
Linux	Linux	Affected: 4.15 Unaffected: 0 , < 4.15 (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.143 , ≤ 6.6.* (semver) Unaffected: 6.12.94 , ≤ 6.12.* (semver) Unaffected: 6.18.36 , ≤ 6.18.* (semver) Unaffected: 7.0.13 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

Show details on NVD website

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CVE-2026-53185 (GCVE-0-2026-53185)

Vulnerability from cvelistv5 – Published: 2026-06-25 08:38 – Updated: 2026-10-19 19:57

Title

zram: fix use-after-free in zram_bvec_write_partial()

Summary

In the Linux kernel, the following vulnerability has been resolved: zram: fix use-after-free in zram_bvec_write_partial() zram_read_page() picks the sync or async backing device read path based on whether the parent bio is NULL. zram_bvec_write_partial() passes its parent bio down, so for ZRAM_WB slots the read is dispatched asynchronously and zram_read_page() returns 0 while the bio is still in flight. The caller then runs memcpy_from_bvec(), zram_write_page() and __free_page() on the buffer, leaving the async read to write into a freed page. zram_bvec_read_partial() was switched to NULL in commit 4e3c87b9421d ("zram: fix synchronous reads") for the same reason; the write_partial counterpart was missed.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-16 15:26 UTC

CWE

CWE-364 - Signal Handler Race Condition

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7063 records in the last 180 days details

References

13 references

URL	Tags
https://git.kernel.org/stable/c/0c2821665ff71be3f…
https://git.kernel.org/stable/c/77a602b505ce48029…
https://git.kernel.org/stable/c/c96786d6ff1acc1d5…
https://git.kernel.org/stable/c/198b5a14cca27263b…
https://git.kernel.org/stable/c/732fd9f0b9c1cdc6d…
https://access.redhat.com/security/cve/CVE-2026-53185	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2492735	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:61887	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:65708	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:59723	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:63014	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:63013	vendor-advisoryx_refsource_REDHAT

Impacted products

9 products

Vendor	Product	Version
Linux	Linux	Affected: 8e654f8fbff52ac483fb69957222853d7e2fc588 , < 0c2821665ff71be3f4b07ecece384669f2877f6a (git) Affected: 8e654f8fbff52ac483fb69957222853d7e2fc588 , < 77a602b505ce4802915853cfc435a4722fab3e64 (git) Affected: 8e654f8fbff52ac483fb69957222853d7e2fc588 , < c96786d6ff1acc1d54d9241e97767554c1dfdd5b (git) Affected: 8e654f8fbff52ac483fb69957222853d7e2fc588 , < 198b5a14cca27263b9c14b20114c8092de15dfcb (git) Affected: 8e654f8fbff52ac483fb69957222853d7e2fc588 , < 732fd9f0b9c1cdc6dfd77162ded60df005182cc0 (git)
Linux	Linux	Affected: 4.14 Unaffected: 0 , < 4.14 (semver) Unaffected: 6.6.143 , ≤ 6.6.* (semver) Unaffected: 6.12.94 , ≤ 6.12.* (semver) Unaffected: 6.18.36 , ≤ 6.18.* (semver) Unaffected: 7.0.13 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:6.12.0-211.50.1.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:4.18.0-553.159.1.rt7.500.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::nfv
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:4.18.0-553.159.1.el8_10 , < * (rpm) cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:5.14.0-687.42.1.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9 cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

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CVE-2026-53189 (GCVE-0-2026-53189)

Vulnerability from cvelistv5 – Published: 2026-06-25 08:39 – Updated: 2026-10-19 19:57

Title

mm/huge_memory: update file PMD counter before folio_put()

Summary

In the Linux kernel, the following vulnerability has been resolved: mm/huge_memory: update file PMD counter before folio_put() __split_huge_pmd_locked() updates the file/shmem RSS counter after dropping the PMD mapping's folio reference. If folio_put() drops the last reference, mm_counter_file() can later read freed folio state via folio_test_swapbacked(). Move the counter update before folio_put().

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-16 15:26 UTC

CWE

CWE-416 - Use After Free

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7063 records in the last 180 days details

References

8 references

URL	Tags
https://git.kernel.org/stable/c/84b3212b166b446fa…
https://git.kernel.org/stable/c/108963978a681c0c4…
https://git.kernel.org/stable/c/459771c9cf30f378b…
https://git.kernel.org/stable/c/ae9d4caf6f133e884…
https://git.kernel.org/stable/c/6c29a8ba084e89499…
https://git.kernel.org/stable/c/5f5b604e1e6bde4e8…
https://git.kernel.org/stable/c/ed5b030931292c941…
https://git.kernel.org/stable/c/8d878059924f12c1b…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < 84b3212b166b446faea27ebebb7161405ffceef9 (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < 108963978a681c0c468d279cac2b930c27672877 (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < 459771c9cf30f378bdbd30fc65d17f7eb931bb59 (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < ae9d4caf6f133e884cf5fcda4982c493b35e5194 (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < 6c29a8ba084e89499ca77b947e07ae817f9c16ce (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < 5f5b604e1e6bde4e889199168ee80fe8306d06ad (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < ed5b030931292c94133437ac5e5ff580e498eabd (git) Affected: fadae2953072e9005c5f1d64e1049edb043494dc , < 8d878059924f12c1bc24556a92ec56add74de3c8 (git)
Linux	Linux	Affected: 4.19 Unaffected: 0 , < 4.19 (semver) Unaffected: 5.10.259 , ≤ 5.10.* (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.143 , ≤ 6.6.* (semver) Unaffected: 6.12.94 , ≤ 6.12.* (semver) Unaffected: 6.18.36 , ≤ 6.18.* (semver) Unaffected: 7.0.13 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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              "content": {
                "id": "CVE-2026-53189",
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            {
              "lessThanOrEqual": "6.6.*",
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              "status": "unaffected",
              "version": "7.1",
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      "cpeApplicability": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/huge_memory: update file PMD counter before folio_put()\n\n__split_huge_pmd_locked() updates the file/shmem RSS counter after\ndropping the PMD mapping\u0027s folio reference.  If folio_put() drops the last\nreference, mm_counter_file() can later read freed folio state via\nfolio_test_swapbacked().\n\nMove the counter update before folio_put()."
        }
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          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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              "lang": "en",
              "value": "AV:L - Reachable by a local process through ordinary memory-management paths such as page fault creation of a file/shmem huge PMD followed by mprotect/munmap/mremap-style PMD splitting. No network, adjacent, or physical input path reaches this core MM helper.\nAC:L - An attacker can create suitable file/shmem THP mappings and trigger PMD splits from their own process; any last-reference/race condition can be driven with attacker-controlled local threads and file operations. Under the uncertainty rule, this is Low complexity.\nPR:L - The path requires only an unprivileged local user able to mmap and modify protections or mappings of their own file/tmpfs memory. No real root or init-namespace capability gate is required.\nUI:N - Exploitation does not require another user to take action. The local attacker can set up the mapping and trigger the split themselves.\nS:U - The vulnerable code is in the kernel MM subsystem and impacts kernel-managed resources within the same security authority. It is not a VM escape, IOMMU bypass, or cross-scope boundary violation.\nC:H - The bug is a use-after-free read of folio state after the PMD mapping reference may be dropped. Following kernel UAF guidance and the higher-severity rule, this is treated as potentially enabling high confidentiality impact.\nI:H - The stale freed folio state controls which RSS counter is updated and represents UAF-driven kernel memory/accounting corruption in core MM. Following the UAF guidance and higher-severity rule, integrity impact is High.\nA:H - A UAF in the huge PMD split path can corrupt kernel MM state and can plausibly lead to warnings, oopses, or crashes when repeatedly triggered. Kernel UAF availability impact is therefore High."
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          "url": "https://git.kernel.org/stable/c/8d878059924f12c1bc24556a92ec56add74de3c8"
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      ],
      "title": "mm/huge_memory: update file PMD counter before folio_put()",
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    "cveId": "CVE-2026-53189",
    "datePublished": "2026-06-25T08:39:01.708Z",
    "dateReserved": "2026-06-09T07:44:35.390Z",
    "dateUpdated": "2026-10-19T19:57:27.480Z",
    "state": "PUBLISHED"
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}

CVE-2026-53329 (GCVE-0-2026-53329)

Vulnerability from cvelistv5 – Published: 2026-07-01 13:32 – Updated: 2026-10-19 20:07

Title

drm/amd/display: Use krealloc_array() in dal_vector_reserve()

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Use krealloc_array() in dal_vector_reserve() [Why & How] dal_vector_reserve() computes the allocation size as "capacity * vector->struct_size" using uint32_t arithmetic, which can silently wrap to a small value on overflow. This would cause krealloc to return a smaller buffer than expected, leading to heap overflows on subsequent vector appends. Replace krealloc() with krealloc_array() which performs an internal overflow check and returns NULL on wrap, preventing the issue. (cherry picked from commit 37668568641ccc4cc1dbca4923d0a16609dd5707)

Severity

7 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-16 15:28 UTC

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7063 records in the last 180 days details

References

8 references

URL	Tags
https://git.kernel.org/stable/c/9540b0a4d13e4ede6…
https://git.kernel.org/stable/c/31180638a33acad12…
https://git.kernel.org/stable/c/b15825deac1acff72…
https://git.kernel.org/stable/c/201151e120f0062bc…
https://git.kernel.org/stable/c/a914aa802669e073f…
https://git.kernel.org/stable/c/e09689286385a6631…
https://git.kernel.org/stable/c/de988c7a31f0774f0…
https://git.kernel.org/stable/c/da48bc4461b8a5ebf…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 2004f45ef83f07f43f5da6ede780b08068c7583d , < 9540b0a4d13e4ede64ae1197d66a176d2149daa9 (git) Affected: 2004f45ef83f07f43f5da6ede780b08068c7583d , < 31180638a33acad12c863132704a76536fb66211 (git) Affected: 2004f45ef83f07f43f5da6ede780b08068c7583d , < b15825deac1acff72638bbc8f05b89ceef8dfb13 (git) Affected: 2004f45ef83f07f43f5da6ede780b08068c7583d , < 201151e120f0062bcda21cad5d007b82725ad23b (git) Affected: 2004f45ef83f07f43f5da6ede780b08068c7583d , < a914aa802669e073f014dae2e5708633b5cecd34 (git) Affected: 2004f45ef83f07f43f5da6ede780b08068c7583d , < e09689286385a66311ac6922af95339d7a3cef8d (git) Affected: 2004f45ef83f07f43f5da6ede780b08068c7583d , < de988c7a31f0774f07894cfe4802996f318e2870 (git) Affected: 2004f45ef83f07f43f5da6ede780b08068c7583d , < da48bc4461b8a5ebfb9264c9b191a701d8e99009 (git)
Linux	Linux	Affected: 4.15 Unaffected: 0 , < 4.15 (semver) Unaffected: 5.10.260 , ≤ 5.10.* (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.143 , ≤ 6.6.* (semver) Unaffected: 6.12.94 , ≤ 6.12.* (semver) Unaffected: 6.18.36 , ≤ 6.18.* (semver) Unaffected: 7.0.13 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-53329",
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CVE-2026-53374 (GCVE-0-2026-53374)

Vulnerability from cvelistv5 – Published: 2026-07-19 10:01 – Updated: 2026-10-19 20:07

Title

drm/amdgpu: zero-initialize GART table on allocation

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: zero-initialize GART table on allocation GART TLB is flushed after unmapping but not after mapping. Since amdgpu_bo_create_kernel() does not zero-initialize the buffer, when a single PTE is written the TLB may speculatively load other uninitialized entries from the same cacheline. Those garbage entries can appear valid, and a subsequent write to another PTE in the same cacheline may cause the GPU to use a stale garbage PTE from the TLB. Fix this by calling memset_io() to zero-initialize the GART table with gart_pte_flags immediately after allocation. Using AMDGPU_GEM_CREATE_VRAM_CLEARED, SDMA-based clear will not work since SDMA needs GART to be initialized to work. (cherry picked from commit d9af8263b82b6eaa60c5718e0c6631c5037e4b24)

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-16 15:29 UTC

CWE

CWE-457 - Use of Uninitialized Variable

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7063 records in the last 180 days details

References

6 references

URL	Tags
https://git.kernel.org/stable/c/40df11255d71b02e2…
https://git.kernel.org/stable/c/91fbb5e635c8fb1b4…
https://git.kernel.org/stable/c/8ae8b9e74bab94aab…
https://git.kernel.org/stable/c/b17175d0a375b3ed5…
https://git.kernel.org/stable/c/791941be5da125d9a…
https://git.kernel.org/stable/c/e6c2e6c2e1fa06696…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 40df11255d71b02e20e70579f1b12b687e396e26 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 91fbb5e635c8fb1b49e15c19da06480089ef719f (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 8ae8b9e74bab94aab1d79f1688129bcc61c8b29a (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < b17175d0a375b3ed5e81597dac4983fdb46e478d (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 791941be5da125d9a1b228582bfdc300c05d05b3 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < e6c2e6c2e1fa066968a16aca1cb66cd1bdde7741 (git)
Linux	Linux	Affected: 4.2 Unaffected: 0 , < 4.2 (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.90 , ≤ 6.12.* (semver) Unaffected: 6.18.32 , ≤ 6.18.* (semver) Unaffected: 7.0.9 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

Show details on NVD website

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CVE-2026-53391 (GCVE-0-2026-53391)

Vulnerability from cvelistv5 – Published: 2026-07-19 12:01 – Updated: 2026-10-19 20:07

Title

NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr

Summary

In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr nfs4_decode_mp_ds_addr() decodes the r_netid and r_addr opaques of a netaddr4 from a GETDEVICEINFO multipath-DS body, then immediately calls strrchr(buf, '.') to locate the port separator. Both decodes use xdr_stream_decode_string_dup(), and the current code checks only "nlen < 0" / "rlen < 0" before dereferencing the returned string. When the on-wire opaque has length zero, xdr_stream_decode_opaque_inline() returns 0 and xdr_stream_decode_string_dup() falls through to its "*str = NULL; return ret" tail, leaving buf NULL with a return value of 0. The "< 0" check does not catch this, and the next line is strrchr(NULL, '.'), a kernel NULL pointer dereference reachable from any pNFS-flexfile client mounted against a malicious or compromised metadata server. Reject the zero-length cases explicitly so the decoder fails with -EBADMSG (treated as a malformed GETDEVICEINFO body) instead of panicking the client.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-16 15:30 UTC

CWE

CWE-476 - NULL Pointer Dereference

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7063 records in the last 180 days details

References

7 references

URL	Tags
https://git.kernel.org/stable/c/76b94cbd32aacf36a…
https://git.kernel.org/stable/c/c8e4e0c701d0192a2…
https://git.kernel.org/stable/c/6c344fff2feff9d4d…
https://git.kernel.org/stable/c/427ab81a811dab4bc…
https://git.kernel.org/stable/c/012d37a568bfbb2c9…
https://git.kernel.org/stable/c/30aae62e50b4e074a…
https://git.kernel.org/stable/c/41fe0f7b84f0cb822…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 6b7f3cf96364eaf597940cb5c68a682894829915 , < 76b94cbd32aacf36a641956385a852635c6802b9 (git) Affected: 6b7f3cf96364eaf597940cb5c68a682894829915 , < c8e4e0c701d0192a2efb6df059c0f9e19678c23d (git) Affected: 6b7f3cf96364eaf597940cb5c68a682894829915 , < 6c344fff2feff9d4d716d8e4ad40e9b5040ee5ea (git) Affected: 6b7f3cf96364eaf597940cb5c68a682894829915 , < 427ab81a811dab4bca9d19f82eec5847ae42646e (git) Affected: 6b7f3cf96364eaf597940cb5c68a682894829915 , < 012d37a568bfbb2c9686f03ade75560bc7139956 (git) Affected: 6b7f3cf96364eaf597940cb5c68a682894829915 , < 30aae62e50b4e074a90a9a5e15246548fbdc1182 (git) Affected: 6b7f3cf96364eaf597940cb5c68a682894829915 , < 41fe0f7b84f0cb822ae10ab08592996a592b2a25 (git)
Linux	Linux	Affected: 4.0 Unaffected: 0 , < 4.0 (semver) Unaffected: 5.15.211 , ≤ 5.15.* (semver) Unaffected: 6.1.177 , ≤ 6.1.* (semver) Unaffected: 6.6.144 , ≤ 6.6.* (semver) Unaffected: 6.12.95 , ≤ 6.12.* (semver) Unaffected: 6.18.38 , ≤ 6.18.* (semver) Unaffected: 7.1.3 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53391",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-16T15:30:09.630598Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-476",
                "description": "CWE-476 NULL Pointer Dereference",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-19T20:07:45.936Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/nfs/pnfs_nfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "76b94cbd32aacf36a641956385a852635c6802b9",
              "status": "affected",
              "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
              "versionType": "git"
            },
            {
              "lessThan": "c8e4e0c701d0192a2efb6df059c0f9e19678c23d",
              "status": "affected",
              "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
              "versionType": "git"
            },
            {
              "lessThan": "6c344fff2feff9d4d716d8e4ad40e9b5040ee5ea",
              "status": "affected",
              "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
              "versionType": "git"
            },
            {
              "lessThan": "427ab81a811dab4bca9d19f82eec5847ae42646e",
              "status": "affected",
              "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
              "versionType": "git"
            },
            {
              "lessThan": "012d37a568bfbb2c9686f03ade75560bc7139956",
              "status": "affected",
              "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
              "versionType": "git"
            },
            {
              "lessThan": "30aae62e50b4e074a90a9a5e15246548fbdc1182",
              "status": "affected",
              "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
              "versionType": "git"
            },
            {
              "lessThan": "41fe0f7b84f0cb822ae10ab08592996a592b2a25",
              "status": "affected",
              "version": "6b7f3cf96364eaf597940cb5c68a682894829915",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/nfs/pnfs_nfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.0"
            },
            {
              "lessThan": "4.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.211",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.177",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.144",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.95",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.38",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.211",
                  "versionStartIncluding": "4.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.177",
                  "versionStartIncluding": "4.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.144",
                  "versionStartIncluding": "4.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.95",
                  "versionStartIncluding": "4.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.38",
                  "versionStartIncluding": "4.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.3",
                  "versionStartIncluding": "4.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "4.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr\n\nnfs4_decode_mp_ds_addr() decodes the r_netid and r_addr opaques of a\nnetaddr4 from a GETDEVICEINFO multipath-DS body, then immediately\ncalls strrchr(buf, \u0027.\u0027) to locate the port separator. Both decodes\nuse xdr_stream_decode_string_dup(), and the current code checks only\n\"nlen \u003c 0\" / \"rlen \u003c 0\" before dereferencing the returned string.\n\nWhen the on-wire opaque has length zero, xdr_stream_decode_opaque_inline()\nreturns 0 and xdr_stream_decode_string_dup() falls through to its\n\"*str = NULL; return ret\" tail, leaving buf NULL with a return value\nof 0. The \"\u003c 0\" check does not catch this, and the next line is\nstrrchr(NULL, \u0027.\u0027), a kernel NULL pointer dereference reachable from\nany pNFS-flexfile client mounted against a malicious or compromised\nmetadata server.\n\nReject the zero-length cases explicitly so the decoder fails with\n-EBADMSG (treated as a malformed GETDEVICEINFO body) instead of\npanicking the client."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:N - The crash is triggered by processing a malicious GETDEVICEINFO RPC response from an NFS metadata server over the network, on the standard NFSv4 client path used by pNFS file and flexfile layouts.\nAC:L - Once a victim is a pNFS client, the attacker reliably triggers the bug by sending a GETDEVICEINFO body with a zero-length r_netid or r_addr opaque; no race or special memory layout is required.\nPR:N - The attacker acts as (or compromises) the remote NFS metadata server and needs no local privileges on the victim client; exploitation is delivered entirely through NFS protocol responses to an already-established mount.\nUI:N - In the highest-impact scenario\u2014a compromised enterprise/HPC metadata server or autofs-managed pNFS mount\u2014no further victim action is needed beyond normal file I/O that provokes GETDEVICEINFO.\nS:U - The vulnerability causes a kernel panic on the NFS client itself and does not cross a security boundary such as a VM escape or sandbox breakout.\nC:N - This is a NULL pointer dereference in strrchr() with no out-of-bounds read or use-after-free; it does not disclose kernel memory or attacker-controlled data.\nI:N - There is no memory corruption, arbitrary write, or control-flow hijack primitive\u2014only an immediate NULL dereference that terminates kernel execution.\nA:H - The NULL pointer dereference in kernel context causes an oops or panic, fully denying availability of the affected client (and any co-hosted workloads until reboot)."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T04:50:42.650Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/76b94cbd32aacf36a641956385a852635c6802b9"
        },
        {
          "url": "https://git.kernel.org/stable/c/c8e4e0c701d0192a2efb6df059c0f9e19678c23d"
        },
        {
          "url": "https://git.kernel.org/stable/c/6c344fff2feff9d4d716d8e4ad40e9b5040ee5ea"
        },
        {
          "url": "https://git.kernel.org/stable/c/427ab81a811dab4bca9d19f82eec5847ae42646e"
        },
        {
          "url": "https://git.kernel.org/stable/c/012d37a568bfbb2c9686f03ade75560bc7139956"
        },
        {
          "url": "https://git.kernel.org/stable/c/30aae62e50b4e074a90a9a5e15246548fbdc1182"
        },
        {
          "url": "https://git.kernel.org/stable/c/41fe0f7b84f0cb822ae10ab08592996a592b2a25"
        }
      ],
      "title": "NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-53391",
    "datePublished": "2026-07-19T12:01:55.521Z",
    "dateReserved": "2026-06-09T07:44:35.402Z",
    "dateUpdated": "2026-10-19T20:07:45.936Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Action not permitted

CERTFR-2026-AVI-1256

Solutions

CVE-2026-52924 (GCVE-0-2026-52924)

CVE-2026-52991 (GCVE-0-2026-52991)

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CVE-2026-53189 (GCVE-0-2026-53189)

CVE-2026-53329 (GCVE-0-2026-53329)

CVE-2026-53374 (GCVE-0-2026-53374)

CVE-2026-53391 (GCVE-0-2026-53391)

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