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CERTFR-2025-AVI-0211
Vulnerability from certfr_avis - Published: 2025-03-14 - Updated: 2025-03-14
De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, une atteinte à l'intégrité des données et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Ubuntu 16.04 ESM",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 24.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 18.04 ESM",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 14.04 ESM",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 22.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2021-47606",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47606"
},
{
"name": "CVE-2024-42070",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42070"
},
{
"name": "CVE-2025-0927",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-0927"
},
{
"name": "CVE-2023-52818",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52818"
},
{
"name": "CVE-2024-50134",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50134"
},
{
"name": "CVE-2022-48772",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48772"
},
{
"name": "CVE-2024-36886",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36886"
},
{
"name": "CVE-2024-50171",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50171"
},
{
"name": "CVE-2024-42068",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42068"
},
{
"name": "CVE-2022-48994",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48994"
},
{
"name": "CVE-2024-43900",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-43900"
},
{
"name": "CVE-2024-50233",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50233"
},
{
"name": "CVE-2024-36952",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36952"
},
{
"name": "CVE-2024-50117",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50117"
},
{
"name": "CVE-2024-44938",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44938"
},
{
"name": "CVE-2024-38558",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38558"
},
{
"name": "CVE-2024-50148",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50148"
},
{
"name": "CVE-2024-43893",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-43893"
},
{
"name": "CVE-2024-43854",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-43854"
},
{
"name": "CVE-2023-52488",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52488"
},
{
"name": "CVE-2024-53164",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53164"
},
{
"name": "CVE-2024-41063",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41063"
},
{
"name": "CVE-2021-47103",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47103"
},
{
"name": "CVE-2024-26685",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26685"
},
{
"name": "CVE-2024-35896",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35896"
},
{
"name": "CVE-2024-56672",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-56672"
},
{
"name": "CVE-2024-49902",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49902"
},
{
"name": "CVE-2024-40910",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-40910"
},
{
"name": "CVE-2024-43863",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-43863"
},
{
"name": "CVE-2024-40943",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-40943"
},
{
"name": "CVE-2024-43892",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-43892"
},
{
"name": "CVE-2023-52799",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52799"
},
{
"name": "CVE-2024-38567",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38567"
},
{
"name": "CVE-2024-23848",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-23848"
},
{
"name": "CVE-2024-44931",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44931"
},
{
"name": "CVE-2024-36964",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36964"
},
{
"name": "CVE-2024-50229",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50229"
},
{
"name": "CVE-2024-53104",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53104"
},
{
"name": "CVE-2024-53156",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53156"
},
{
"name": "CVE-2023-52522",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52522"
},
{
"name": "CVE-2024-40981",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-40981"
},
{
"name": "CVE-2024-41064",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41064"
},
{
"name": "CVE-2024-40911",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-40911"
},
{
"name": "CVE-2023-52880",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52880"
}
],
"initial_release_date": "2025-03-14T00:00:00",
"last_revision_date": "2025-03-14T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-0211",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-03-14T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux d\u0027Ubuntu. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux d\u0027Ubuntu",
"vendor_advisories": [
{
"published_at": "2025-03-13",
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7344-2",
"url": "https://ubuntu.com/security/notices/USN-7344-2"
},
{
"published_at": "2025-03-11",
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7344-1",
"url": "https://ubuntu.com/security/notices/USN-7344-1"
},
{
"published_at": "2025-03-11",
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7342-1",
"url": "https://ubuntu.com/security/notices/USN-7342-1"
},
{
"published_at": "2025-03-13",
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7325-3",
"url": "https://ubuntu.com/security/notices/USN-7325-3"
},
{
"published_at": "2025-03-13",
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7328-2",
"url": "https://ubuntu.com/security/notices/USN-7328-2"
},
{
"published_at": "2025-03-11",
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7332-2",
"url": "https://ubuntu.com/security/notices/USN-7332-2"
},
{
"published_at": "2025-03-07",
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7325-2",
"url": "https://ubuntu.com/security/notices/USN-7325-2"
},
{
"published_at": "2025-03-13",
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7332-3",
"url": "https://ubuntu.com/security/notices/USN-7332-3"
}
]
}
CVE-2024-40981 (GCVE-0-2024-40981)
Vulnerability from cvelistv5 – Published: 2024-07-12 12:32 – Updated: 2026-05-11 20:23
VLAI
EPSS
Title
batman-adv: bypass empty buckets in batadv_purge_orig_ref()
Summary
In the Linux kernel, the following vulnerability has been resolved:
batman-adv: bypass empty buckets in batadv_purge_orig_ref()
Many syzbot reports are pointing to soft lockups in
batadv_purge_orig_ref() [1]
Root cause is unknown, but we can avoid spending too much
time there and perhaps get more interesting reports.
[1]
watchdog: BUG: soft lockup - CPU#0 stuck for 27s! [kworker/u4:6:621]
Modules linked in:
irq event stamp: 6182794
hardirqs last enabled at (6182793): [<ffff8000801dae10>] __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:386
hardirqs last disabled at (6182794): [<ffff80008ad66a78>] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline]
hardirqs last disabled at (6182794): [<ffff80008ad66a78>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551
softirqs last enabled at (6182792): [<ffff80008aab71c4>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last enabled at (6182792): [<ffff80008aab71c4>] batadv_purge_orig_ref+0x114c/0x1228 net/batman-adv/originator.c:1287
softirqs last disabled at (6182790): [<ffff80008aab61dc>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (6182790): [<ffff80008aab61dc>] batadv_purge_orig_ref+0x164/0x1228 net/batman-adv/originator.c:1271
CPU: 0 PID: 621 Comm: kworker/u4:6 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: bat_events batadv_purge_orig
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : should_resched arch/arm64/include/asm/preempt.h:79 [inline]
pc : __local_bh_enable_ip+0x228/0x44c kernel/softirq.c:388
lr : __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:386
sp : ffff800099007970
x29: ffff800099007980 x28: 1fffe00018fce1bd x27: dfff800000000000
x26: ffff0000d2620008 x25: ffff0000c7e70de8 x24: 0000000000000001
x23: 1fffe00018e57781 x22: dfff800000000000 x21: ffff80008aab71c4
x20: ffff0001b40136c0 x19: ffff0000c72bbc08 x18: 1fffe0001a817bb0
x17: ffff800125414000 x16: ffff80008032116c x15: 0000000000000001
x14: 1fffe0001ee9d610 x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000000 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 00000000005e5789 x7 : ffff80008aab61dc x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : 0000000000000080 x0 : ffff800125414000
Call trace:
__daif_local_irq_enable arch/arm64/include/asm/irqflags.h:27 [inline]
arch_local_irq_enable arch/arm64/include/asm/irqflags.h:49 [inline]
__local_bh_enable_ip+0x228/0x44c kernel/softirq.c:386
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
batadv_purge_orig_ref+0x114c/0x1228 net/batman-adv/originator.c:1287
batadv_purge_orig+0x20/0x70 net/batman-adv/originator.c:1300
process_one_work+0x694/0x1204 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x938/0xef4 kernel/workqueue.c:2787
kthread+0x288/0x310 kernel/kthread.c:388
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:51
lr : default_idle_call+0xf8/0x128 kernel/sched/idle.c:103
sp : ffff800093a17d30
x29: ffff800093a17d30 x28: dfff800000000000 x27: 1ffff00012742fb4
x26: ffff80008ec9d000 x25: 0000000000000000 x24: 0000000000000002
x23: 1ffff00011d93a74 x22: ffff80008ec9d3a0 x21: 0000000000000000
x20: ffff0000c19dbc00 x19: ffff8000802d0fd8 x18: 1fffe00036804396
x17: ffff80008ec9d000 x16: ffff8000802d089c x15: 0000000000000001
---truncated---
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
9 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
fb778ea173fcd58b8fc3d75c674f07fab187b55f , < 79636f636126775436a11ee9cf00a9253a33ac11
(git)
Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < 154e3f862ba33675cf3f4abf0a0a309a89df87d2 (git) Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < 82cdea8f3af1e36543c937df963d108c60bea030 (git) Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < 92176caf9896572f00e741a93cecc0ef1172da07 (git) Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < fed7914858a1f1f3e6350bb0f620d6ef15107d16 (git) Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < 2685008a5f9a636434a8508419cee8158a2f52c8 (git) Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < ae7f3cffe86aea3da0e8e079525a1ae619b8862a (git) Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < 40dc8ab605894acae1473e434944924a22cfaaa0 (git) |
|
| Linux | Linux |
Affected:
2.6.39
Unaffected: 0 , < 2.6.39 (semver) Unaffected: 4.19.317 , ≤ 4.19.* (semver) Unaffected: 5.4.279 , ≤ 5.4.* (semver) Unaffected: 5.10.221 , ≤ 5.10.* (semver) Unaffected: 5.15.162 , ≤ 5.15.* (semver) Unaffected: 6.1.96 , ≤ 6.1.* (semver) Unaffected: 6.6.36 , ≤ 6.6.* (semver) Unaffected: 6.9.7 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
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CVE-2024-41063 (GCVE-0-2024-41063)
Vulnerability from cvelistv5 – Published: 2024-07-29 14:57 – Updated: 2026-05-23 15:51
VLAI
EPSS
Title
Bluetooth: hci_core: cancel all works upon hci_unregister_dev()
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: hci_core: cancel all works upon hci_unregister_dev()
syzbot is reporting that calling hci_release_dev() from hci_error_reset()
due to hci_dev_put() from hci_error_reset() can cause deadlock at
destroy_workqueue(), for hci_error_reset() is called from
hdev->req_workqueue which destroy_workqueue() needs to flush.
We need to make sure that hdev->{rx_work,cmd_work,tx_work} which are
queued into hdev->workqueue and hdev->{power_on,error_reset} which are
queued into hdev->req_workqueue are no longer running by the moment
destroy_workqueue(hdev->workqueue);
destroy_workqueue(hdev->req_workqueue);
are called from hci_release_dev().
Call cancel_work_sync() on these work items from hci_unregister_dev()
as soon as hdev->list is removed from hci_dev_list.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
9 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
e0b278650f07acf2e0932149183458468a731c03 , < 48542881997e17b49dc16b93fe910e0cfcf7a9f9
(git)
Affected: 98fb98fd37e42fd4ce13ff657ea64503e24b6090 , < 9cfc84b1d464cc024286f42a090718f9067b80ed (git) Affected: 6dd0a9dfa99f8990a08eb8fdd8e79bee31c7d8e2 , < ddeda6ca5f218b668b560d90fc31ae469adbfd92 (git) Affected: da4569d450b193e39e87119fd316c0291b585d14 , < d2ce562a5aff1dcd0c50d9808ea825ef90da909f (git) Affected: 45085686b9559bfbe3a4f41d3d695a520668f5e1 , < 96600c2e5ee8213dbab5df1617293d8e847bb4fa (git) Affected: 2ab9a19d896f5a0dd386e1f001c5309bc35f433b , < d6cbce18370641a21dd889e8613d8153df15eb39 (git) Affected: 2449007d3f73b2842c9734f45f0aadb522daf592 , < 3f939bd73fed12dddc2a32a76116c19ca47c7678 (git) Affected: 2449007d3f73b2842c9734f45f0aadb522daf592 , < 0d151a103775dd9645c78c97f77d6e2a5298d913 (git) Affected: dd594cdc24f2e48dab441732e6dfcafd6b0711d1 (git) Affected: 4.19.309 , < 4.19.319 (semver) Affected: 5.4.271 , < 5.4.281 (semver) Affected: 5.10.212 , < 5.10.223 (semver) Affected: 5.15.151 , < 5.15.164 (semver) Affected: 6.1.81 , < 6.1.101 (semver) Affected: 6.6.21 , < 6.6.42 (semver) Affected: 6.7.9 , < 6.8 (semver) |
|
| Linux | Linux |
Affected:
6.8
Unaffected: 0 , < 6.8 (semver) Unaffected: 4.19.319 , ≤ 4.19.* (semver) Unaffected: 5.4.281 , ≤ 5.4.* (semver) Unaffected: 5.10.223 , ≤ 5.10.* (semver) Unaffected: 5.15.164 , ≤ 5.15.* (semver) Unaffected: 6.1.101 , ≤ 6.1.* (semver) Unaffected: 6.6.42 , ≤ 6.6.* (semver) Unaffected: 6.9.11 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
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CVE-2024-41064 (GCVE-0-2024-41064)
Vulnerability from cvelistv5 – Published: 2024-07-29 14:57 – Updated: 2026-05-11 20:25
VLAI
EPSS
Title
powerpc/eeh: avoid possible crash when edev->pdev changes
Summary
In the Linux kernel, the following vulnerability has been resolved:
powerpc/eeh: avoid possible crash when edev->pdev changes
If a PCI device is removed during eeh_pe_report_edev(), edev->pdev
will change and can cause a crash, hold the PCI rescan/remove lock
while taking a copy of edev->pdev->bus.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
9b3c76f08122f5efdbe4992a64b8478cc92dd983 , < 8836e1bf5838ac6c08760e0a2dd7cf6410aa7ff3
(git)
Affected: 9b3c76f08122f5efdbe4992a64b8478cc92dd983 , < 033c51dfdbb6b79ab43fb3587276fa82d0a329e1 (git) Affected: 9b3c76f08122f5efdbe4992a64b8478cc92dd983 , < 4fad7fef847b6028475dd7b4c14fcb82b3e51274 (git) Affected: 9b3c76f08122f5efdbe4992a64b8478cc92dd983 , < 4bc246d2d60d071314842fa448faa4ed39082aff (git) Affected: 9b3c76f08122f5efdbe4992a64b8478cc92dd983 , < f23c3d1ca9c4b2d626242a4e7e1ec1770447f7b5 (git) Affected: 9b3c76f08122f5efdbe4992a64b8478cc92dd983 , < 428d940a8b6b3350b282c14d3f63350bde65c48b (git) Affected: 9b3c76f08122f5efdbe4992a64b8478cc92dd983 , < a1216e62d039bf63a539bbe718536ec789a853dd (git) |
|
| Linux | Linux |
Affected:
3.7
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CVE-2024-42068 (GCVE-0-2024-42068)
Vulnerability from cvelistv5 – Published: 2024-07-29 15:52 – Updated: 2026-05-11 20:26
VLAI
EPSS
Title
bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()
set_memory_ro() can fail, leaving memory unprotected.
Check its return and take it into account as an error.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
60a3b2253c413cf601783b070507d7dd6620c954 , < a359696856ca9409fb97655c5a8ef0f549cb6e03
(git)
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|
| Linux | Linux |
Affected:
3.18
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CVE-2024-42070 (GCVE-0-2024-42070)
Vulnerability from cvelistv5 – Published: 2024-07-29 15:52 – Updated: 2026-05-12 11:56
VLAI
EPSS
Title
netfilter: nf_tables: fully validate NFT_DATA_VALUE on store to data registers
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: fully validate NFT_DATA_VALUE on store to data registers
register store validation for NFT_DATA_VALUE is conditional, however,
the datatype is always either NFT_DATA_VALUE or NFT_DATA_VERDICT. This
only requires a new helper function to infer the register type from the
set datatype so this conditional check can be removed. Otherwise,
pointer to chain object can be leaked through the registers.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
12 references
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
96518518cc417bb0a8c80b9fb736202e28acdf96 , < 40188a25a9847dbeb7ec67517174a835a677752f
(git)
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|
| Linux | Linux |
Affected:
3.13
Unaffected: 0 , < 3.13 (semver) Unaffected: 4.19.317 , ≤ 4.19.* (semver) Unaffected: 5.4.279 , ≤ 5.4.* (semver) Unaffected: 5.10.221 , ≤ 5.10.* (semver) Unaffected: 5.15.162 , ≤ 5.15.* (semver) Unaffected: 6.1.97 , ≤ 6.1.* (semver) Unaffected: 6.6.37 , ≤ 6.6.* (semver) Unaffected: 6.9.8 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
|
| Siemens | RUGGEDCOM RST2428P |
Affected:
0 , < V3.1
(custom)
|
|
| Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family |
Unaffected:
0 , < *
(custom)
|
|
| Siemens | SCALANCE XCM-/XRM-/XCH-/XRH-300 family |
Affected:
0 , < V3.1
(custom)
|
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
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CVE-2024-43854 (GCVE-0-2024-43854)
Vulnerability from cvelistv5 – Published: 2024-08-17 09:22 – Updated: 2026-05-11 20:31
VLAI
EPSS
Title
block: initialize integrity buffer to zero before writing it to media
Summary
In the Linux kernel, the following vulnerability has been resolved:
block: initialize integrity buffer to zero before writing it to media
Metadata added by bio_integrity_prep is using plain kmalloc, which leads
to random kernel memory being written media. For PI metadata this is
limited to the app tag that isn't used by kernel generated metadata,
but for non-PI metadata the entire buffer leaks kernel memory.
Fix this by adding the __GFP_ZERO flag to allocations for writes.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
10 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
7ba1ba12eeef0aa7113beb16410ef8b7c748e18b , < 9f4af4cf08f9a0329ade3d938f55d2220c40d0a6
(git)
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|
| Linux | Linux |
Affected:
2.6.27
Unaffected: 0 , < 2.6.27 (semver) Unaffected: 4.19.322 , ≤ 4.19.* (semver) Unaffected: 5.4.284 , ≤ 5.4.* (semver) Unaffected: 5.10.226 , ≤ 5.10.* (semver) Unaffected: 5.15.165 , ≤ 5.15.* (semver) Unaffected: 6.1.103 , ≤ 6.1.* (semver) Unaffected: 6.6.44 , ≤ 6.6.* (semver) Unaffected: 6.10.3 , ≤ 6.10.* (semver) Unaffected: 6.11 , ≤ * (original_commit_for_fix) |
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CVE-2024-43863 (GCVE-0-2024-43863)
Vulnerability from cvelistv5 – Published: 2024-08-20 23:45 – Updated: 2026-05-11 20:31
VLAI
EPSS
Title
drm/vmwgfx: Fix a deadlock in dma buf fence polling
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/vmwgfx: Fix a deadlock in dma buf fence polling
Introduce a version of the fence ops that on release doesn't remove
the fence from the pending list, and thus doesn't require a lock to
fix poll->fence wait->fence unref deadlocks.
vmwgfx overwrites the wait callback to iterate over the list of all
fences and update their status, to do that it holds a lock to prevent
the list modifcations from other threads. The fence destroy callback
both deletes the fence and removes it from the list of pending
fences, for which it holds a lock.
dma buf polling cb unrefs a fence after it's been signaled: so the poll
calls the wait, which signals the fences, which are being destroyed.
The destruction tries to acquire the lock on the pending fences list
which it can never get because it's held by the wait from which it
was called.
Old bug, but not a lot of userspace apps were using dma-buf polling
interfaces. Fix those, in particular this fixes KDE stalls/deadlock.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
2298e804e96eb3635c39519c8287befd92460303 , < 9908dc0d2ef0e4aec8a242c098455729c0e2f017
(git)
Affected: 2298e804e96eb3635c39519c8287befd92460303 , < 9e20d028d8d1deb1e7fed18f22ffc01669cf3237 (git) Affected: 2298e804e96eb3635c39519c8287befd92460303 , < 3b933b16c996af8adb6bc1b5748a63dfb41a82bc (git) Affected: 2298e804e96eb3635c39519c8287befd92460303 , < a8943969f9ead2fd3044fc826140a21622ef830e (git) Affected: 2298e804e96eb3635c39519c8287befd92460303 , < c98ab18b9f315ff977c2c65d7c71298ef98be8e3 (git) Affected: 2298e804e96eb3635c39519c8287befd92460303 , < e58337100721f3cc0c7424a18730e4f39844934f (git) |
|
| Linux | Linux |
Affected:
3.18
Unaffected: 0 , < 3.18 (semver) Unaffected: 5.10.238 , ≤ 5.10.* (semver) Unaffected: 5.15.165 , ≤ 5.15.* (semver) Unaffected: 6.1.104 , ≤ 6.1.* (semver) Unaffected: 6.6.45 , ≤ 6.6.* (semver) Unaffected: 6.10.4 , ≤ 6.10.* (semver) Unaffected: 6.11 , ≤ * (original_commit_for_fix) |
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CVE-2024-43892 (GCVE-0-2024-43892)
Vulnerability from cvelistv5 – Published: 2024-08-26 10:10 – Updated: 2026-05-23 15:53
VLAI
EPSS
Title
memcg: protect concurrent access to mem_cgroup_idr
Summary
In the Linux kernel, the following vulnerability has been resolved:
memcg: protect concurrent access to mem_cgroup_idr
Commit 73f576c04b94 ("mm: memcontrol: fix cgroup creation failure after
many small jobs") decoupled the memcg IDs from the CSS ID space to fix the
cgroup creation failures. It introduced IDR to maintain the memcg ID
space. The IDR depends on external synchronization mechanisms for
modifications. For the mem_cgroup_idr, the idr_alloc() and idr_replace()
happen within css callback and thus are protected through cgroup_mutex
from concurrent modifications. However idr_remove() for mem_cgroup_idr
was not protected against concurrency and can be run concurrently for
different memcgs when they hit their refcnt to zero. Fix that.
We have been seeing list_lru based kernel crashes at a low frequency in
our fleet for a long time. These crashes were in different part of
list_lru code including list_lru_add(), list_lru_del() and reparenting
code. Upon further inspection, it looked like for a given object (dentry
and inode), the super_block's list_lru didn't have list_lru_one for the
memcg of that object. The initial suspicions were either the object is
not allocated through kmem_cache_alloc_lru() or somehow
memcg_list_lru_alloc() failed to allocate list_lru_one() for a memcg but
returned success. No evidence were found for these cases.
Looking more deeply, we started seeing situations where valid memcg's id
is not present in mem_cgroup_idr and in some cases multiple valid memcgs
have same id and mem_cgroup_idr is pointing to one of them. So, the most
reasonable explanation is that these situations can happen due to race
between multiple idr_remove() calls or race between
idr_alloc()/idr_replace() and idr_remove(). These races are causing
multiple memcgs to acquire the same ID and then offlining of one of them
would cleanup list_lrus on the system for all of them. Later access from
other memcgs to the list_lru cause crashes due to missing list_lru_one.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
Impacted products
2 products
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Affected:
73f576c04b9410ed19660f74f97521bee6e1c546 , < 912736a0435ef40e6a4ae78197ccb5553cb80b05
(git)
Affected: 73f576c04b9410ed19660f74f97521bee6e1c546 , < e6cc9ff2ac0b5df9f25eb790934c3104f6710278 (git) Affected: 73f576c04b9410ed19660f74f97521bee6e1c546 , < 56fd70f4aa8b82199dbe7e99366b1fd7a04d86fb (git) Affected: 73f576c04b9410ed19660f74f97521bee6e1c546 , < 37a060b64ae83b76600d187d76591ce488ab836b (git) Affected: 73f576c04b9410ed19660f74f97521bee6e1c546 , < 51c0b1bb7541f8893ec1accba59eb04361a70946 (git) Affected: 73f576c04b9410ed19660f74f97521bee6e1c546 , < 9972605a238339b85bd16b084eed5f18414d22db (git) Affected: 8627c7750a66a46d56d3564e1e881aa53764497c (git) Affected: db70cd18d3da727a3a59694de428a9e41c620de7 (git) Affected: 4.4.18 , < 4.5 (semver) Affected: 4.6.6 , < 4.7 (semver) |
|
| Linux | Linux |
Affected:
4.7
Unaffected: 0 , < 4.7 (semver) Unaffected: 5.10.226 , ≤ 5.10.* (semver) Unaffected: 5.15.167 , ≤ 5.15.* (semver) Unaffected: 6.1.110 , ≤ 6.1.* (semver) Unaffected: 6.6.46 , ≤ 6.6.* (semver) Unaffected: 6.10.5 , ≤ 6.10.* (semver) Unaffected: 6.11 , ≤ * (original_commit_for_fix) |
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CVE-2024-43893 (GCVE-0-2024-43893)
Vulnerability from cvelistv5 – Published: 2024-08-26 10:10 – Updated: 2026-05-12 11:57
VLAI
EPSS
Title
serial: core: check uartclk for zero to avoid divide by zero
Summary
In the Linux kernel, the following vulnerability has been resolved:
serial: core: check uartclk for zero to avoid divide by zero
Calling ioctl TIOCSSERIAL with an invalid baud_base can
result in uartclk being zero, which will result in a
divide by zero error in uart_get_divisor(). The check for
uartclk being zero in uart_set_info() needs to be done
before other settings are made as subsequent calls to
ioctl TIOCSSERIAL for the same port would be impacted if
the uartclk check was done where uartclk gets set.
Oops: divide error: 0000 PREEMPT SMP KASAN PTI
RIP: 0010:uart_get_divisor (drivers/tty/serial/serial_core.c:580)
Call Trace:
<TASK>
serial8250_get_divisor (drivers/tty/serial/8250/8250_port.c:2576
drivers/tty/serial/8250/8250_port.c:2589)
serial8250_do_set_termios (drivers/tty/serial/8250/8250_port.c:502
drivers/tty/serial/8250/8250_port.c:2741)
serial8250_set_termios (drivers/tty/serial/8250/8250_port.c:2862)
uart_change_line_settings (./include/linux/spinlock.h:376
./include/linux/serial_core.h:608 drivers/tty/serial/serial_core.c:222)
uart_port_startup (drivers/tty/serial/serial_core.c:342)
uart_startup (drivers/tty/serial/serial_core.c:368)
uart_set_info (drivers/tty/serial/serial_core.c:1034)
uart_set_info_user (drivers/tty/serial/serial_core.c:1059)
tty_set_serial (drivers/tty/tty_io.c:2637)
tty_ioctl (drivers/tty/tty_io.c:2647 drivers/tty/tty_io.c:2791)
__x64_sys_ioctl (fs/ioctl.c:52 fs/ioctl.c:907
fs/ioctl.c:893 fs/ioctl.c:893)
do_syscall_64 (arch/x86/entry/common.c:52
(discriminator 1) arch/x86/entry/common.c:83 (discriminator 1))
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
Rule: add
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
13 references
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 3bbd90fca824e6fd61fb20f6dd2b0fa5f8b14bba
(git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 55b2a5d331a6ceb1c4372945fdb77181265ba24f (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 52b138f1021113e593ee6ad258ce08fe90693a9e (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9196e42a3b8eeff1707e6ef769112b4b6096be49 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < e13ba3fe5ee070f8a9dab60029d52b1f61da5051 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < e3ad503876283ac3fcca922a1bf243ef9eb0b0e2 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 68dc02f319b9ee54dc23caba742a5c754d1cccc8 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6eabce6608d6f3440f4c03aa3d3ef50a47a3d193 (git) |
|
| Linux | Linux |
Affected:
2.6.12
Unaffected: 0 , < 2.6.12 (semver) Unaffected: 4.19.320 , ≤ 4.19.* (semver) Unaffected: 5.4.282 , ≤ 5.4.* (semver) Unaffected: 5.10.224 , ≤ 5.10.* (semver) Unaffected: 5.15.165 , ≤ 5.15.* (semver) Unaffected: 6.1.105 , ≤ 6.1.* (semver) Unaffected: 6.6.46 , ≤ 6.6.* (semver) Unaffected: 6.10.5 , ≤ 6.10.* (semver) Unaffected: 6.11 , ≤ * (original_commit_for_fix) |
|
| Siemens | RUGGEDCOM RST2428P |
Affected:
0 , < V3.1
(custom)
|
|
| Siemens | RUGGEDCOM RST2428P |
Unaffected:
0 , < *
(custom)
|
|
| Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family |
Unaffected:
0 , < *
(custom)
|
|
| Siemens | SCALANCE XCM-/XRM-/XCH-/XRH-300 family |
Affected:
0 , < V3.1
(custom)
|
|
| Siemens | SCALANCE XCM-/XRM-/XCH-/XRH-300 family |
Unaffected:
0 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: core: check uartclk for zero to avoid divide by zero\n\nCalling ioctl TIOCSSERIAL with an invalid baud_base can\nresult in uartclk being zero, which will result in a\ndivide by zero error in uart_get_divisor(). The check for\nuartclk being zero in uart_set_info() needs to be done\nbefore other settings are made as subsequent calls to\nioctl TIOCSSERIAL for the same port would be impacted if\nthe uartclk check was done where uartclk gets set.\n\nOops: divide error: 0000 PREEMPT SMP KASAN PTI\nRIP: 0010:uart_get_divisor (drivers/tty/serial/serial_core.c:580)\nCall Trace:\n \u003cTASK\u003e\nserial8250_get_divisor (drivers/tty/serial/8250/8250_port.c:2576\n drivers/tty/serial/8250/8250_port.c:2589)\nserial8250_do_set_termios (drivers/tty/serial/8250/8250_port.c:502\n drivers/tty/serial/8250/8250_port.c:2741)\nserial8250_set_termios (drivers/tty/serial/8250/8250_port.c:2862)\nuart_change_line_settings (./include/linux/spinlock.h:376\n ./include/linux/serial_core.h:608 drivers/tty/serial/serial_core.c:222)\nuart_port_startup (drivers/tty/serial/serial_core.c:342)\nuart_startup (drivers/tty/serial/serial_core.c:368)\nuart_set_info (drivers/tty/serial/serial_core.c:1034)\nuart_set_info_user (drivers/tty/serial/serial_core.c:1059)\ntty_set_serial (drivers/tty/tty_io.c:2637)\ntty_ioctl (drivers/tty/tty_io.c:2647 drivers/tty/tty_io.c:2791)\n__x64_sys_ioctl (fs/ioctl.c:52 fs/ioctl.c:907\n fs/ioctl.c:893 fs/ioctl.c:893)\ndo_syscall_64 (arch/x86/entry/common.c:52\n (discriminator 1) arch/x86/entry/common.c:83 (discriminator 1))\nentry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\n\nRule: add"
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"cveId": "CVE-2024-43893",
"datePublished": "2024-08-26T10:10:48.046Z",
"dateReserved": "2024-08-17T09:11:59.290Z",
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CVE-2024-43900 (GCVE-0-2024-43900)
Vulnerability from cvelistv5 – Published: 2024-08-26 10:10 – Updated: 2026-05-11 20:31
VLAI
EPSS
Title
media: xc2028: avoid use-after-free in load_firmware_cb()
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: xc2028: avoid use-after-free in load_firmware_cb()
syzkaller reported use-after-free in load_firmware_cb() [1].
The reason is because the module allocated a struct tuner in tuner_probe(),
and then the module initialization failed, the struct tuner was released.
A worker which created during module initialization accesses this struct
tuner later, it caused use-after-free.
The process is as follows:
task-6504 worker_thread
tuner_probe <= alloc dvb_frontend [2]
...
request_firmware_nowait <= create a worker
...
tuner_remove <= free dvb_frontend
...
request_firmware_work_func <= the firmware is ready
load_firmware_cb <= but now the dvb_frontend has been freed
To fix the issue, check the dvd_frontend in load_firmware_cb(), if it is
null, report a warning and just return.
[1]:
==================================================================
BUG: KASAN: use-after-free in load_firmware_cb+0x1310/0x17a0
Read of size 8 at addr ffff8000d7ca2308 by task kworker/2:3/6504
Call trace:
load_firmware_cb+0x1310/0x17a0
request_firmware_work_func+0x128/0x220
process_one_work+0x770/0x1824
worker_thread+0x488/0xea0
kthread+0x300/0x430
ret_from_fork+0x10/0x20
Allocated by task 6504:
kzalloc
tuner_probe+0xb0/0x1430
i2c_device_probe+0x92c/0xaf0
really_probe+0x678/0xcd0
driver_probe_device+0x280/0x370
__device_attach_driver+0x220/0x330
bus_for_each_drv+0x134/0x1c0
__device_attach+0x1f4/0x410
device_initial_probe+0x20/0x30
bus_probe_device+0x184/0x200
device_add+0x924/0x12c0
device_register+0x24/0x30
i2c_new_device+0x4e0/0xc44
v4l2_i2c_new_subdev_board+0xbc/0x290
v4l2_i2c_new_subdev+0xc8/0x104
em28xx_v4l2_init+0x1dd0/0x3770
Freed by task 6504:
kfree+0x238/0x4e4
tuner_remove+0x144/0x1c0
i2c_device_remove+0xc8/0x290
__device_release_driver+0x314/0x5fc
device_release_driver+0x30/0x44
bus_remove_device+0x244/0x490
device_del+0x350/0x900
device_unregister+0x28/0xd0
i2c_unregister_device+0x174/0x1d0
v4l2_device_unregister+0x224/0x380
em28xx_v4l2_init+0x1d90/0x3770
The buggy address belongs to the object at ffff8000d7ca2000
which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 776 bytes inside of
2048-byte region [ffff8000d7ca2000, ffff8000d7ca2800)
The buggy address belongs to the page:
page:ffff7fe00035f280 count:1 mapcount:0 mapping:ffff8000c001f000 index:0x0
flags: 0x7ff800000000100(slab)
raw: 07ff800000000100 ffff7fe00049d880 0000000300000003 ffff8000c001f000
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8000d7ca2200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8000d7ca2280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8000d7ca2300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8000d7ca2380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8000d7ca2400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
[2]
Actually, it is allocated for struct tuner, and dvb_frontend is inside.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
61a96113de51e1f8f43ac98cbeadb54e60045905 , < ef517bdfc01818419f7bd426969a0c86b14f3e0e
(git)
Affected: 61a96113de51e1f8f43ac98cbeadb54e60045905 , < 850304152d367f104d21c77cfbcc05806504218b (git) Affected: 61a96113de51e1f8f43ac98cbeadb54e60045905 , < 208deb6d8c3cb8c3acb1f41eb31cf68ea08726d5 (git) Affected: 61a96113de51e1f8f43ac98cbeadb54e60045905 , < 68594cec291ff9523b9feb3f43fd853dcddd1f60 (git) |
|
| Linux | Linux |
Affected:
3.6
Unaffected: 0 , < 3.6 (semver) Unaffected: 6.1.105 , ≤ 6.1.* (semver) Unaffected: 6.6.46 , ≤ 6.6.* (semver) Unaffected: 6.10.5 , ≤ 6.10.* (semver) Unaffected: 6.11 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: xc2028: avoid use-after-free in load_firmware_cb()\n\nsyzkaller reported use-after-free in load_firmware_cb() [1].\nThe reason is because the module allocated a struct tuner in tuner_probe(),\nand then the module initialization failed, the struct tuner was released.\nA worker which created during module initialization accesses this struct\ntuner later, it caused use-after-free.\n\nThe process is as follows:\n\ntask-6504 worker_thread\ntuner_probe \u003c= alloc dvb_frontend [2]\n...\nrequest_firmware_nowait \u003c= create a worker\n...\ntuner_remove \u003c= free dvb_frontend\n...\n request_firmware_work_func \u003c= the firmware is ready\n load_firmware_cb \u003c= but now the dvb_frontend has been freed\n\nTo fix the issue, check the dvd_frontend in load_firmware_cb(), if it is\nnull, report a warning and just return.\n\n[1]:\n ==================================================================\n BUG: KASAN: use-after-free in load_firmware_cb+0x1310/0x17a0\n Read of size 8 at addr ffff8000d7ca2308 by task kworker/2:3/6504\n\n Call trace:\n load_firmware_cb+0x1310/0x17a0\n request_firmware_work_func+0x128/0x220\n process_one_work+0x770/0x1824\n worker_thread+0x488/0xea0\n kthread+0x300/0x430\n ret_from_fork+0x10/0x20\n\n Allocated by task 6504:\n kzalloc\n tuner_probe+0xb0/0x1430\n i2c_device_probe+0x92c/0xaf0\n really_probe+0x678/0xcd0\n driver_probe_device+0x280/0x370\n __device_attach_driver+0x220/0x330\n bus_for_each_drv+0x134/0x1c0\n __device_attach+0x1f4/0x410\n device_initial_probe+0x20/0x30\n bus_probe_device+0x184/0x200\n device_add+0x924/0x12c0\n device_register+0x24/0x30\n i2c_new_device+0x4e0/0xc44\n v4l2_i2c_new_subdev_board+0xbc/0x290\n v4l2_i2c_new_subdev+0xc8/0x104\n em28xx_v4l2_init+0x1dd0/0x3770\n\n Freed by task 6504:\n kfree+0x238/0x4e4\n tuner_remove+0x144/0x1c0\n i2c_device_remove+0xc8/0x290\n __device_release_driver+0x314/0x5fc\n device_release_driver+0x30/0x44\n bus_remove_device+0x244/0x490\n device_del+0x350/0x900\n device_unregister+0x28/0xd0\n i2c_unregister_device+0x174/0x1d0\n v4l2_device_unregister+0x224/0x380\n em28xx_v4l2_init+0x1d90/0x3770\n\n The buggy address belongs to the object at ffff8000d7ca2000\n which belongs to the cache kmalloc-2k of size 2048\n The buggy address is located 776 bytes inside of\n 2048-byte region [ffff8000d7ca2000, ffff8000d7ca2800)\n The buggy address belongs to the page:\n page:ffff7fe00035f280 count:1 mapcount:0 mapping:ffff8000c001f000 index:0x0\n flags: 0x7ff800000000100(slab)\n raw: 07ff800000000100 ffff7fe00049d880 0000000300000003 ffff8000c001f000\n raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000\n page dumped because: kasan: bad access detected\n\n Memory state around the buggy address:\n ffff8000d7ca2200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n ffff8000d7ca2280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n \u003effff8000d7ca2300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n ^\n ffff8000d7ca2380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n ffff8000d7ca2400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n ==================================================================\n\n[2]\n Actually, it is allocated for struct tuner, and dvb_frontend is inside."
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Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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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.
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