SUSE-SU-2024:3041-1
Vulnerability from csaf_suse - Published: 2024-08-27 16:34 - Updated: 2026-09-20 16:05Summary
Security update for the Linux Kernel (Live Patch 41 for SLE 15 SP3)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel (Live Patch 41 for SLE 15 SP3)
Description of the patch: This update for the Linux Kernel 5.3.18-150300_59_150 fixes several issues.
The following security issues were fixed:
- CVE-2021-47402: Fixed use-after-free in fl_walk() (bsc#1225301)
- CVE-2021-47378: Fixed use-after-free by destroying cm id before destroying qp (bsc#1225202).
Patchnames: SUSE-2024-3041,SUSE-2024-3045,SUSE-2024-3046,SUSE-2024-3050,SUSE-SLE-Module-Live-Patching-15-SP2-2024-3038,SUSE-SLE-Module-Live-Patching-15-SP3-2024-3047
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
7.8 (High)
Affected products
Recommended
6 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
Affected products
Recommended
6 products, the same list as for
CVE-2021-47378
Threats
Impact
important
References
14 references
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},
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{
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},
{
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},
{
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},
"product_reference": "kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.s390x",
"relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP3"
},
{
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"name": "kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP3",
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"relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP3"
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},
"vulnerabilities": [
{
"cve": "CVE-2021-47378",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2021-47378"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-rdma: destroy cm id before destroy qp to avoid use after free\n\nWe should always destroy cm_id before destroy qp to avoid to get cma\nevent after qp was destroyed, which may lead to use after free.\nIn RDMA connection establishment error flow, don\u0027t destroy qp in cm\nevent handler.Just report cm_error to upper level, qp will be destroy\nin nvme_rdma_alloc_queue() after destroy cm id.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.x86_64",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2021-47378",
"url": "https://www.suse.com/security/cve/CVE-2021-47378"
},
{
"category": "external",
"summary": "SUSE Bug 1225201 for CVE-2021-47378",
"url": "https://bugzilla.suse.com/1225201"
},
{
"category": "external",
"summary": "SUSE Bug 1225202 for CVE-2021-47378",
"url": "https://bugzilla.suse.com/1225202"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.x86_64",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"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",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.x86_64",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2024-08-27T16:34:39Z",
"details": "important"
}
],
"title": "CVE-2021-47378"
},
{
"cve": "CVE-2021-47402",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2021-47402"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sched: flower: protect fl_walk() with rcu\n\nPatch that refactored fl_walk() to use idr_for_each_entry_continue_ul()\nalso removed rcu protection of individual filters which causes following\nuse-after-free when filter is deleted concurrently. Fix fl_walk() to obtain\nrcu read lock while iterating and taking the filter reference and temporary\nrelease the lock while calling arg-\u003efn() callback that can sleep.\n\nKASAN trace:\n\n[ 352.773640] ==================================================================\n[ 352.775041] BUG: KASAN: use-after-free in fl_walk+0x159/0x240 [cls_flower]\n[ 352.776304] Read of size 4 at addr ffff8881c8251480 by task tc/2987\n\n[ 352.777862] CPU: 3 PID: 2987 Comm: tc Not tainted 5.15.0-rc2+ #2\n[ 352.778980] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n[ 352.781022] Call Trace:\n[ 352.781573] dump_stack_lvl+0x46/0x5a\n[ 352.782332] print_address_description.constprop.0+0x1f/0x140\n[ 352.783400] ? fl_walk+0x159/0x240 [cls_flower]\n[ 352.784292] ? fl_walk+0x159/0x240 [cls_flower]\n[ 352.785138] kasan_report.cold+0x83/0xdf\n[ 352.785851] ? fl_walk+0x159/0x240 [cls_flower]\n[ 352.786587] kasan_check_range+0x145/0x1a0\n[ 352.787337] fl_walk+0x159/0x240 [cls_flower]\n[ 352.788163] ? fl_put+0x10/0x10 [cls_flower]\n[ 352.789007] ? __mutex_unlock_slowpath.constprop.0+0x220/0x220\n[ 352.790102] tcf_chain_dump+0x231/0x450\n[ 352.790878] ? tcf_chain_tp_delete_empty+0x170/0x170\n[ 352.791833] ? __might_sleep+0x2e/0xc0\n[ 352.792594] ? tfilter_notify+0x170/0x170\n[ 352.793400] ? __mutex_unlock_slowpath.constprop.0+0x220/0x220\n[ 352.794477] tc_dump_tfilter+0x385/0x4b0\n[ 352.795262] ? tc_new_tfilter+0x1180/0x1180\n[ 352.796103] ? __mod_node_page_state+0x1f/0xc0\n[ 352.796974] ? __build_skb_around+0x10e/0x130\n[ 352.797826] netlink_dump+0x2c0/0x560\n[ 352.798563] ? netlink_getsockopt+0x430/0x430\n[ 352.799433] ? __mutex_unlock_slowpath.constprop.0+0x220/0x220\n[ 352.800542] __netlink_dump_start+0x356/0x440\n[ 352.801397] rtnetlink_rcv_msg+0x3ff/0x550\n[ 352.802190] ? tc_new_tfilter+0x1180/0x1180\n[ 352.802872] ? rtnl_calcit.isra.0+0x1f0/0x1f0\n[ 352.803668] ? tc_new_tfilter+0x1180/0x1180\n[ 352.804344] ? _copy_from_iter_nocache+0x800/0x800\n[ 352.805202] ? kasan_set_track+0x1c/0x30\n[ 352.805900] netlink_rcv_skb+0xc6/0x1f0\n[ 352.806587] ? rht_deferred_worker+0x6b0/0x6b0\n[ 352.807455] ? rtnl_calcit.isra.0+0x1f0/0x1f0\n[ 352.808324] ? netlink_ack+0x4d0/0x4d0\n[ 352.809086] ? netlink_deliver_tap+0x62/0x3d0\n[ 352.809951] netlink_unicast+0x353/0x480\n[ 352.810744] ? netlink_attachskb+0x430/0x430\n[ 352.811586] ? __alloc_skb+0xd7/0x200\n[ 352.812349] netlink_sendmsg+0x396/0x680\n[ 352.813132] ? netlink_unicast+0x480/0x480\n[ 352.813952] ? __import_iovec+0x192/0x210\n[ 352.814759] ? netlink_unicast+0x480/0x480\n[ 352.815580] sock_sendmsg+0x6c/0x80\n[ 352.816299] ____sys_sendmsg+0x3a5/0x3c0\n[ 352.817096] ? kernel_sendmsg+0x30/0x30\n[ 352.817873] ? __ia32_sys_recvmmsg+0x150/0x150\n[ 352.818753] ___sys_sendmsg+0xd8/0x140\n[ 352.819518] ? sendmsg_copy_msghdr+0x110/0x110\n[ 352.820402] ? ___sys_recvmsg+0xf4/0x1a0\n[ 352.821110] ? __copy_msghdr_from_user+0x260/0x260\n[ 352.821934] ? _raw_spin_lock+0x81/0xd0\n[ 352.822680] ? __handle_mm_fault+0xef3/0x1b20\n[ 352.823549] ? rb_insert_color+0x2a/0x270\n[ 352.824373] ? copy_page_range+0x16b0/0x16b0\n[ 352.825209] ? perf_event_update_userpage+0x2d0/0x2d0\n[ 352.826190] ? __fget_light+0xd9/0xf0\n[ 352.826941] __sys_sendmsg+0xb3/0x130\n[ 352.827613] ? __sys_sendmsg_sock+0x20/0x20\n[ 352.828377] ? do_user_addr_fault+0x2c5/0x8a0\n[ 352.829184] ? fpregs_assert_state_consistent+0x52/0x60\n[ 352.830001] ? exit_to_user_mode_prepare+0x32/0x160\n[ 352.830845] do_syscall_64+0x35/0x80\n[ 352.831445] entry_SYSCALL_64_after_hwframe+0x44/0xae\n[ 352.832331] RIP: 0033:0x7f7bee973c17\n[ \n---truncated---",
"title": "CVE description"
}
],
"product_status": {
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"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.x86_64",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2021-47402",
"url": "https://www.suse.com/security/cve/CVE-2021-47402"
},
{
"category": "external",
"summary": "SUSE Bug 1225301 for CVE-2021-47402",
"url": "https://bugzilla.suse.com/1225301"
},
{
"category": "external",
"summary": "SUSE Bug 1225302 for CVE-2021-47402",
"url": "https://bugzilla.suse.com/1225302"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.x86_64",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_175-default-0:12-150200.2.1.x86_64",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_150-default-0:10-150300.2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2024-08-27T16:34:39Z",
"details": "important"
}
],
"title": "CVE-2021-47402"
}
]
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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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.
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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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.