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CERTFR-2025-AVI-0153
Vulnerability from certfr_avis - Published: 2025-02-21 - Updated: 2025-02-21
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Red Hat. Certaines d'entre elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, un contournement de la politique de sécurité et un déni de service.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 9 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian 9 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Real Time for NFV for x86_64 - 4 years of updates 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.4 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - AUS 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 9 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Real Time 9 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.4 ppc64le | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.4 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems 9 s390x | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 9 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Real Time for x86_64 - 4 years of updates 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 9 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Real Time for NFV 9 x86_64 |
References
| Title | Publication Time | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Red Hat Enterprise Linux for x86_64 9 x86_64",
"product": {
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{
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"vendor": {
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}
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"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time for NFV for x86_64 - 4 years of updates 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.4 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 9 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time 9 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.4 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.4 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems 9 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 9 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time for x86_64 - 4 years of updates 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 9 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time for NFV 9 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"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-2024-50142",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50142"
},
{
"name": "CVE-2024-35876",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35876"
},
{
"name": "CVE-2024-50275",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50275"
},
{
"name": "CVE-2024-35824",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35824"
},
{
"name": "CVE-2024-27012",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27012"
},
{
"name": "CVE-2024-23307",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-23307"
},
{
"name": "CVE-2024-53113",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53113"
},
{
"name": "CVE-2024-27017",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27017"
},
{
"name": "CVE-2024-46695",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46695"
},
{
"name": "CVE-2024-26960",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26960"
},
{
"name": "CVE-2023-52679",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52679"
},
{
"name": "CVE-2024-50256",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50256"
},
{
"name": "CVE-2023-52490",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52490"
},
{
"name": "CVE-2024-36954",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36954"
},
{
"name": "CVE-2024-50110",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50110"
},
{
"name": "CVE-2024-27011",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27011"
},
{
"name": "CVE-2024-26924",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26924"
}
],
"initial_release_date": "2025-02-21T00:00:00",
"last_revision_date": "2025-02-21T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-0153",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-02-21T00:00:00.000000"
}
],
"risks": [
{
"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 de Red Hat. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, un contournement de la politique de s\u00e9curit\u00e9 et un d\u00e9ni de service.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Red Hat",
"vendor_advisories": [
{
"published_at": "2025-02-19",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2025:1659",
"url": "https://access.redhat.com/errata/RHSA-2025:1659"
},
{
"published_at": "2025-02-19",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2025:1658",
"url": "https://access.redhat.com/errata/RHSA-2025:1658"
}
]
}
CVE-2024-36954 (GCVE-0-2024-36954)
Vulnerability from cvelistv5 – Published: 2024-05-30 15:35 – Updated: 2026-05-23 15:47
VLAI
EPSS
Title
tipc: fix a possible memleak in tipc_buf_append
Summary
In the Linux kernel, the following vulnerability has been resolved:
tipc: fix a possible memleak in tipc_buf_append
__skb_linearize() doesn't free the skb when it fails, so move
'*buf = NULL' after __skb_linearize(), so that the skb can be
freed on the err path.
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:
4b1761898861117c97066aea6c58f68a7787f0bf , < 01cd1b7b685751ee422d00d050292a3d277652d6
(git)
Affected: 64d17ec9f1ded042c4b188d15734f33486ed9966 , < 2f87fd9476cf9725d774e6dcb7d17859c6a6d1ae (git) Affected: 6da24cfc83ba4f97ea44fc7ae9999a006101755c , < adbce6d20da6254c86425a8d4359b221b5ccbccd (git) Affected: b7df21cf1b79ab7026f545e7bf837bd5750ac026 , < 42c8471b0566c7539e7dd584b4d0ebd3cec8cb2c (git) Affected: b7df21cf1b79ab7026f545e7bf837bd5750ac026 , < d03a82f4f8144befdc10518e732e2a60b34c870e (git) Affected: b7df21cf1b79ab7026f545e7bf837bd5750ac026 , < 614c5a5ae45a921595952117b2e2bd4d4bf9b574 (git) Affected: b7df21cf1b79ab7026f545e7bf837bd5750ac026 , < 3210d34fda4caff212cb53729e6bd46de604d565 (git) Affected: b7df21cf1b79ab7026f545e7bf837bd5750ac026 , < 97bf6f81b29a8efaf5d0983251a7450e5794370d (git) Affected: b2c8d28c34b3070407cb1741f9ba3f15d0284b8b (git) Affected: 5489f30bb78ff0dafb4229a69632afc2ba20765c (git) Affected: 436d650d374329a591c30339a91fa5078052ed1e (git) Affected: ace300eecbccaa698e2b472843c74a5f33f7dce8 (git) Affected: 4.19.193 , < 4.19.314 (semver) Affected: 5.4.124 , < 5.4.276 (semver) Affected: 5.10.42 , < 5.10.217 (semver) Affected: 4.4.271 , < 4.5 (semver) Affected: 4.9.271 , < 4.10 (semver) Affected: 4.14.235 , < 4.15 (semver) Affected: 5.12.9 , < 5.13 (semver) |
|
| Linux | Linux |
Affected:
5.13
Unaffected: 0 , < 5.13 (semver) Unaffected: 4.19.314 , ≤ 4.19.* (semver) Unaffected: 5.4.276 , ≤ 5.4.* (semver) Unaffected: 5.10.217 , ≤ 5.10.* (semver) Unaffected: 5.15.159 , ≤ 5.15.* (semver) Unaffected: 6.1.91 , ≤ 6.1.* (semver) Unaffected: 6.6.31 , ≤ 6.6.* (semver) Unaffected: 6.8.10 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix) |
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CVE-2024-46695 (GCVE-0-2024-46695)
Vulnerability from cvelistv5 – Published: 2024-09-13 05:29 – Updated: 2026-05-11 20:34
VLAI
EPSS
Title
selinux,smack: don't bypass permissions check in inode_setsecctx hook
Summary
In the Linux kernel, the following vulnerability has been resolved:
selinux,smack: don't bypass permissions check in inode_setsecctx hook
Marek Gresko reports that the root user on an NFS client is able to
change the security labels on files on an NFS filesystem that is
exported with root squashing enabled.
The end of the kerneldoc comment for __vfs_setxattr_noperm() states:
* This function requires the caller to lock the inode's i_mutex before it
* is executed. It also assumes that the caller will make the appropriate
* permission checks.
nfsd_setattr() does do permissions checking via fh_verify() and
nfsd_permission(), but those don't do all the same permissions checks
that are done by security_inode_setxattr() and its related LSM hooks do.
Since nfsd_setattr() is the only consumer of security_inode_setsecctx(),
simplest solution appears to be to replace the call to
__vfs_setxattr_noperm() with a call to __vfs_setxattr_locked(). This
fixes the above issue and has the added benefit of causing nfsd to
recall conflicting delegations on a file when a client tries to change
its security label.
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:
18032ca062e621e15683cb61c066ef3dc5414a7b , < 2dbc4b7bac60b02cc6e70d05bf6a7dfd551f9dda
(git)
Affected: 18032ca062e621e15683cb61c066ef3dc5414a7b , < fe0cd53791119f6287b6532af8ce41576d664930 (git) Affected: 18032ca062e621e15683cb61c066ef3dc5414a7b , < eebec98791d0137e455cc006411bb92a54250924 (git) Affected: 18032ca062e621e15683cb61c066ef3dc5414a7b , < 459584258d47ec3cc6245a82e8a49c9d08eb8b57 (git) Affected: 18032ca062e621e15683cb61c066ef3dc5414a7b , < f71ec019257ba4f7ab198bd948c5902a207bad96 (git) Affected: 18032ca062e621e15683cb61c066ef3dc5414a7b , < 76a0e79bc84f466999fa501fce5bf7a07641b8a7 (git) |
|
| Linux | Linux |
Affected:
3.11
Unaffected: 0 , < 3.11 (semver) Unaffected: 5.10.227 , ≤ 5.10.* (semver) Unaffected: 5.15.168 , ≤ 5.15.* (semver) Unaffected: 6.1.113 , ≤ 6.1.* (semver) Unaffected: 6.6.49 , ≤ 6.6.* (semver) Unaffected: 6.10.8 , ≤ 6.10.* (semver) Unaffected: 6.11 , ≤ * (original_commit_for_fix) |
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CVE-2024-50110 (GCVE-0-2024-50110)
Vulnerability from cvelistv5 – Published: 2024-11-05 17:10 – Updated: 2026-05-11 20:45
VLAI
EPSS
Title
xfrm: fix one more kernel-infoleak in algo dumping
Summary
In the Linux kernel, the following vulnerability has been resolved:
xfrm: fix one more kernel-infoleak in algo dumping
During fuzz testing, the following issue was discovered:
BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x598/0x2a30
_copy_to_iter+0x598/0x2a30
__skb_datagram_iter+0x168/0x1060
skb_copy_datagram_iter+0x5b/0x220
netlink_recvmsg+0x362/0x1700
sock_recvmsg+0x2dc/0x390
__sys_recvfrom+0x381/0x6d0
__x64_sys_recvfrom+0x130/0x200
x64_sys_call+0x32c8/0x3cc0
do_syscall_64+0xd8/0x1c0
entry_SYSCALL_64_after_hwframe+0x79/0x81
Uninit was stored to memory at:
copy_to_user_state_extra+0xcc1/0x1e00
dump_one_state+0x28c/0x5f0
xfrm_state_walk+0x548/0x11e0
xfrm_dump_sa+0x1e0/0x840
netlink_dump+0x943/0x1c40
__netlink_dump_start+0x746/0xdb0
xfrm_user_rcv_msg+0x429/0xc00
netlink_rcv_skb+0x613/0x780
xfrm_netlink_rcv+0x77/0xc0
netlink_unicast+0xe90/0x1280
netlink_sendmsg+0x126d/0x1490
__sock_sendmsg+0x332/0x3d0
____sys_sendmsg+0x863/0xc30
___sys_sendmsg+0x285/0x3e0
__x64_sys_sendmsg+0x2d6/0x560
x64_sys_call+0x1316/0x3cc0
do_syscall_64+0xd8/0x1c0
entry_SYSCALL_64_after_hwframe+0x79/0x81
Uninit was created at:
__kmalloc+0x571/0xd30
attach_auth+0x106/0x3e0
xfrm_add_sa+0x2aa0/0x4230
xfrm_user_rcv_msg+0x832/0xc00
netlink_rcv_skb+0x613/0x780
xfrm_netlink_rcv+0x77/0xc0
netlink_unicast+0xe90/0x1280
netlink_sendmsg+0x126d/0x1490
__sock_sendmsg+0x332/0x3d0
____sys_sendmsg+0x863/0xc30
___sys_sendmsg+0x285/0x3e0
__x64_sys_sendmsg+0x2d6/0x560
x64_sys_call+0x1316/0x3cc0
do_syscall_64+0xd8/0x1c0
entry_SYSCALL_64_after_hwframe+0x79/0x81
Bytes 328-379 of 732 are uninitialized
Memory access of size 732 starts at ffff88800e18e000
Data copied to user address 00007ff30f48aff0
CPU: 2 PID: 18167 Comm: syz-executor.0 Not tainted 6.8.11 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Fixes copying of xfrm algorithms where some random
data of the structure fields can end up in userspace.
Padding in structures may be filled with random (possibly sensitve)
data and should never be given directly to user-space.
A similar issue was resolved in the commit
8222d5910dae ("xfrm: Zero padding when dumping algos and encap")
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
c7a5899eb26e2a4d516d53f65b6dd67be2228041 , < 610d4cea9b442b22b4820695fc3335e64849725e
(git)
Affected: c7a5899eb26e2a4d516d53f65b6dd67be2228041 , < dc2ad8e8818e4bf1a93db78d81745b4877b32972 (git) Affected: c7a5899eb26e2a4d516d53f65b6dd67be2228041 , < c73bca72b84b453c8d26a5e7673b20adb294bf54 (git) Affected: c7a5899eb26e2a4d516d53f65b6dd67be2228041 , < 1e8fbd2441cb2ea28d6825f2985bf7d84af060bb (git) Affected: c7a5899eb26e2a4d516d53f65b6dd67be2228041 , < 6889cd2a93e1e3606b3f6e958aa0924e836de4d2 (git) |
|
| Linux | Linux |
Affected:
5.11
Unaffected: 0 , < 5.11 (semver) Unaffected: 5.15.170 , ≤ 5.15.* (semver) Unaffected: 6.1.115 , ≤ 6.1.* (semver) Unaffected: 6.6.59 , ≤ 6.6.* (semver) Unaffected: 6.11.6 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
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CVE-2024-50142 (GCVE-0-2024-50142)
Vulnerability from cvelistv5 – Published: 2024-11-07 09:31 – Updated: 2026-05-12 12:00
VLAI
EPSS
Title
xfrm: validate new SA's prefixlen using SA family when sel.family is unset
Summary
In the Linux kernel, the following vulnerability has been resolved:
xfrm: validate new SA's prefixlen using SA family when sel.family is unset
This expands the validation introduced in commit 07bf7908950a ("xfrm:
Validate address prefix lengths in the xfrm selector.")
syzbot created an SA with
usersa.sel.family = AF_UNSPEC
usersa.sel.prefixlen_s = 128
usersa.family = AF_INET
Because of the AF_UNSPEC selector, verify_newsa_info doesn't put
limits on prefixlen_{s,d}. But then copy_from_user_state sets
x->sel.family to usersa.family (AF_INET). Do the same conversion in
verify_newsa_info before validating prefixlen_{s,d}, since that's how
prefixlen is going to be used later on.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
11 references
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f31398570acf0f0804c644006f7bfa9067106b0a
(git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 401ad99a5ae7180dd9449eac104cb755f442e7f3 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8df5cd51fd70c33aa1776e5cbcd82b0a86649d73 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 2d08a6c31c65f23db71a5385ee9cf9d8f9a67a71 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < bce1afaa212ec380bf971614f70909a27882b862 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 7d9868180bd1e4cf37e7c5067362658971162366 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < e68dd80ba498265d2266b12dc3459164f4ff0c4a (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 3f0ab59e6537c6a8f9e1b355b48f9c05a76e8563 (git) |
|
| Linux | Linux |
Affected:
2.6.12
Unaffected: 0 , < 2.6.12 (semver) Unaffected: 4.19.323 , ≤ 4.19.* (semver) Unaffected: 5.4.285 , ≤ 5.4.* (semver) Unaffected: 5.10.229 , ≤ 5.10.* (semver) Unaffected: 5.15.170 , ≤ 5.15.* (semver) Unaffected: 6.1.115 , ≤ 6.1.* (semver) Unaffected: 6.6.59 , ≤ 6.6.* (semver) Unaffected: 6.11.6 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
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"url": "https://git.kernel.org/stable/c/bce1afaa212ec380bf971614f70909a27882b862"
},
{
"url": "https://git.kernel.org/stable/c/7d9868180bd1e4cf37e7c5067362658971162366"
},
{
"url": "https://git.kernel.org/stable/c/e68dd80ba498265d2266b12dc3459164f4ff0c4a"
},
{
"url": "https://git.kernel.org/stable/c/3f0ab59e6537c6a8f9e1b355b48f9c05a76e8563"
}
],
"title": "xfrm: validate new SA\u0027s prefixlen using SA family when sel.family is unset",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-50142",
"datePublished": "2024-11-07T09:31:19.415Z",
"dateReserved": "2024-10-21T19:36:19.956Z",
"dateUpdated": "2026-05-12T12:00:20.085Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-50256 (GCVE-0-2024-50256)
Vulnerability from cvelistv5 – Published: 2024-11-09 10:15 – Updated: 2026-05-11 20:48
VLAI
EPSS
Title
netfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6()
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6()
I got a syzbot report without a repro [1] crashing in nf_send_reset6()
I think the issue is that dev->hard_header_len is zero, and we attempt
later to push an Ethernet header.
Use LL_MAX_HEADER, as other functions in net/ipv6/netfilter/nf_reject_ipv6.c.
[1]
skbuff: skb_under_panic: text:ffffffff89b1d008 len:74 put:14 head:ffff88803123aa00 data:ffff88803123a9f2 tail:0x3c end:0x140 dev:syz_tun
kernel BUG at net/core/skbuff.c:206 !
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 7373 Comm: syz.1.568 Not tainted 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:skb_panic net/core/skbuff.c:206 [inline]
RIP: 0010:skb_under_panic+0x14b/0x150 net/core/skbuff.c:216
Code: 0d 8d 48 c7 c6 60 a6 29 8e 48 8b 54 24 08 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 41 54 41 57 41 56 e8 ba 30 38 02 48 83 c4 20 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3
RSP: 0018:ffffc900045269b0 EFLAGS: 00010282
RAX: 0000000000000088 RBX: dffffc0000000000 RCX: cd66dacdc5d8e800
RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000
RBP: ffff88802d39a3d0 R08: ffffffff8174afec R09: 1ffff920008a4ccc
R10: dffffc0000000000 R11: fffff520008a4ccd R12: 0000000000000140
R13: ffff88803123aa00 R14: ffff88803123a9f2 R15: 000000000000003c
FS: 00007fdbee5ff6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005d322000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
skb_push+0xe5/0x100 net/core/skbuff.c:2636
eth_header+0x38/0x1f0 net/ethernet/eth.c:83
dev_hard_header include/linux/netdevice.h:3208 [inline]
nf_send_reset6+0xce6/0x1270 net/ipv6/netfilter/nf_reject_ipv6.c:358
nft_reject_inet_eval+0x3b9/0x690 net/netfilter/nft_reject_inet.c:48
expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288
nft_do_chain_inet+0x418/0x6b0 net/netfilter/nft_chain_filter.c:161
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK include/linux/netfilter.h:312 [inline]
br_nf_pre_routing_ipv6+0x63e/0x770 net/bridge/br_netfilter_ipv6.c:184
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
br_handle_frame+0x9fd/0x1530 net/bridge/br_input.c:424
__netif_receive_skb_core+0x13e8/0x4570 net/core/dev.c:5562
__netif_receive_skb_one_core net/core/dev.c:5666 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5781
netif_receive_skb_internal net/core/dev.c:5867 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5926
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x3056/0x47e0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:590 [inline]
vfs_write+0xa6d/0xc90 fs/read_write.c:683
ksys_write+0x183/0x2b0 fs/read_write.c:736
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdbeeb7d1ff
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 c9 8d 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 1c 8e 02 00 48
RSP: 002b:00007fdbee5ff000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fdbeed36058 RCX: 00007fdbeeb7d1ff
RDX: 000000000000008e RSI: 0000000020000040 RDI: 00000000000000c8
RBP: 00007fdbeebf12be R08: 0000000
---truncated---
Severity
5.5 (Medium)
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:
c8d7b98bec43faaa6583c3135030be5eb4693acb , < 4f7b586aae53c2ed820661803da8ce18b1361921
(git)
Affected: c8d7b98bec43faaa6583c3135030be5eb4693acb , < fef63832317d9d24e1214cdd8f204d02ebdf8499 (git) Affected: c8d7b98bec43faaa6583c3135030be5eb4693acb , < f85b057e34419e5ec0583a65078a11ccc1d4540a (git) Affected: c8d7b98bec43faaa6583c3135030be5eb4693acb , < 4ed234fe793f27a3b151c43d2106df2ff0d81aac (git) |
|
| Linux | Linux |
Affected:
3.18
Unaffected: 0 , < 3.18 (semver) Unaffected: 6.1.116 , ≤ 6.1.* (semver) Unaffected: 6.6.60 , ≤ 6.6.* (semver) Unaffected: 6.11.7 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
{
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"metrics": [
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"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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}
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
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"title": "CISA ADP Vulnrichment"
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{
"providerMetadata": {
"dateUpdated": "2025-11-03T22:27:36.148Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
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"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/ipv6/netfilter/nf_reject_ipv6.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
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{
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{
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{
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"vendor": "Linux",
"versions": [
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"version": "3.18"
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{
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"status": "unaffected",
"version": "0",
"versionType": "semver"
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{
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"version": "6.1.116",
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{
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"version": "6.6.60",
"versionType": "semver"
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{
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"version": "6.11.7",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.12",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.116",
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"vulnerable": true
},
{
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{
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"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6()\n\nI got a syzbot report without a repro [1] crashing in nf_send_reset6()\n\nI think the issue is that dev-\u003ehard_header_len is zero, and we attempt\nlater to push an Ethernet header.\n\nUse LL_MAX_HEADER, as other functions in net/ipv6/netfilter/nf_reject_ipv6.c.\n\n[1]\n\nskbuff: skb_under_panic: text:ffffffff89b1d008 len:74 put:14 head:ffff88803123aa00 data:ffff88803123a9f2 tail:0x3c end:0x140 dev:syz_tun\n kernel BUG at net/core/skbuff.c:206 !\nOops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI\nCPU: 0 UID: 0 PID: 7373 Comm: syz.1.568 Not tainted 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\n RIP: 0010:skb_panic net/core/skbuff.c:206 [inline]\n RIP: 0010:skb_under_panic+0x14b/0x150 net/core/skbuff.c:216\nCode: 0d 8d 48 c7 c6 60 a6 29 8e 48 8b 54 24 08 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 41 54 41 57 41 56 e8 ba 30 38 02 48 83 c4 20 90 \u003c0f\u003e 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3\nRSP: 0018:ffffc900045269b0 EFLAGS: 00010282\nRAX: 0000000000000088 RBX: dffffc0000000000 RCX: cd66dacdc5d8e800\nRDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000\nRBP: ffff88802d39a3d0 R08: ffffffff8174afec R09: 1ffff920008a4ccc\nR10: dffffc0000000000 R11: fffff520008a4ccd R12: 0000000000000140\nR13: ffff88803123aa00 R14: ffff88803123a9f2 R15: 000000000000003c\nFS: 00007fdbee5ff6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000000 CR3: 000000005d322000 CR4: 00000000003526f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n skb_push+0xe5/0x100 net/core/skbuff.c:2636\n eth_header+0x38/0x1f0 net/ethernet/eth.c:83\n dev_hard_header include/linux/netdevice.h:3208 [inline]\n nf_send_reset6+0xce6/0x1270 net/ipv6/netfilter/nf_reject_ipv6.c:358\n nft_reject_inet_eval+0x3b9/0x690 net/netfilter/nft_reject_inet.c:48\n expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]\n nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288\n nft_do_chain_inet+0x418/0x6b0 net/netfilter/nft_chain_filter.c:161\n nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626\n nf_hook include/linux/netfilter.h:269 [inline]\n NF_HOOK include/linux/netfilter.h:312 [inline]\n br_nf_pre_routing_ipv6+0x63e/0x770 net/bridge/br_netfilter_ipv6.c:184\n nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]\n br_handle_frame+0x9fd/0x1530 net/bridge/br_input.c:424\n __netif_receive_skb_core+0x13e8/0x4570 net/core/dev.c:5562\n __netif_receive_skb_one_core net/core/dev.c:5666 [inline]\n __netif_receive_skb+0x12f/0x650 net/core/dev.c:5781\n netif_receive_skb_internal net/core/dev.c:5867 [inline]\n netif_receive_skb+0x1e8/0x890 net/core/dev.c:5926\n tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550\n tun_get_user+0x3056/0x47e0 drivers/net/tun.c:2007\n tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053\n new_sync_write fs/read_write.c:590 [inline]\n vfs_write+0xa6d/0xc90 fs/read_write.c:683\n ksys_write+0x183/0x2b0 fs/read_write.c:736\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fdbeeb7d1ff\nCode: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 c9 8d 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 \u003c48\u003e 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 1c 8e 02 00 48\nRSP: 002b:00007fdbee5ff000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001\nRAX: ffffffffffffffda RBX: 00007fdbeed36058 RCX: 00007fdbeeb7d1ff\nRDX: 000000000000008e RSI: 0000000020000040 RDI: 00000000000000c8\nRBP: 00007fdbeebf12be R08: 0000000\n---truncated---"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T20:48:36.108Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/4f7b586aae53c2ed820661803da8ce18b1361921"
},
{
"url": "https://git.kernel.org/stable/c/fef63832317d9d24e1214cdd8f204d02ebdf8499"
},
{
"url": "https://git.kernel.org/stable/c/f85b057e34419e5ec0583a65078a11ccc1d4540a"
},
{
"url": "https://git.kernel.org/stable/c/4ed234fe793f27a3b151c43d2106df2ff0d81aac"
}
],
"title": "netfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-50256",
"datePublished": "2024-11-09T10:15:09.551Z",
"dateReserved": "2024-10-21T19:36:19.980Z",
"dateUpdated": "2026-05-11T20:48:36.108Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-50275 (GCVE-0-2024-50275)
Vulnerability from cvelistv5 – Published: 2024-11-19 01:30 – Updated: 2026-05-11 20:48
VLAI
EPSS
Title
arm64/sve: Discard stale CPU state when handling SVE traps
Summary
In the Linux kernel, the following vulnerability has been resolved:
arm64/sve: Discard stale CPU state when handling SVE traps
The logic for handling SVE traps manipulates saved FPSIMD/SVE state
incorrectly, and a race with preemption can result in a task having
TIF_SVE set and TIF_FOREIGN_FPSTATE clear even though the live CPU state
is stale (e.g. with SVE traps enabled). This has been observed to result
in warnings from do_sve_acc() where SVE traps are not expected while
TIF_SVE is set:
| if (test_and_set_thread_flag(TIF_SVE))
| WARN_ON(1); /* SVE access shouldn't have trapped */
Warnings of this form have been reported intermittently, e.g.
https://lore.kernel.org/linux-arm-kernel/CA+G9fYtEGe_DhY2Ms7+L7NKsLYUomGsgqpdBj+QwDLeSg=JhGg@mail.gmail.com/
https://lore.kernel.org/linux-arm-kernel/000000000000511e9a060ce5a45c@google.com/
The race can occur when the SVE trap handler is preempted before and
after manipulating the saved FPSIMD/SVE state, starting and ending on
the same CPU, e.g.
| void do_sve_acc(unsigned long esr, struct pt_regs *regs)
| {
| // Trap on CPU 0 with TIF_SVE clear, SVE traps enabled
| // task->fpsimd_cpu is 0.
| // per_cpu_ptr(&fpsimd_last_state, 0) is task.
|
| ...
|
| // Preempted; migrated from CPU 0 to CPU 1.
| // TIF_FOREIGN_FPSTATE is set.
|
| get_cpu_fpsimd_context();
|
| if (test_and_set_thread_flag(TIF_SVE))
| WARN_ON(1); /* SVE access shouldn't have trapped */
|
| sve_init_regs() {
| if (!test_thread_flag(TIF_FOREIGN_FPSTATE)) {
| ...
| } else {
| fpsimd_to_sve(current);
| current->thread.fp_type = FP_STATE_SVE;
| }
| }
|
| put_cpu_fpsimd_context();
|
| // Preempted; migrated from CPU 1 to CPU 0.
| // task->fpsimd_cpu is still 0
| // If per_cpu_ptr(&fpsimd_last_state, 0) is still task then:
| // - Stale HW state is reused (with SVE traps enabled)
| // - TIF_FOREIGN_FPSTATE is cleared
| // - A return to userspace skips HW state restore
| }
Fix the case where the state is not live and TIF_FOREIGN_FPSTATE is set
by calling fpsimd_flush_task_state() to detach from the saved CPU
state. This ensures that a subsequent context switch will not reuse the
stale CPU state, and will instead set TIF_FOREIGN_FPSTATE, forcing the
new state to be reloaded from memory prior to a return to userspace.
Severity
No CVSS data available.
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
cccb78ce89c45a4414db712be4986edfb92434bd , < 51d3d80a6dc314982a9a0aeb0961085922a1aa15
(git)
Affected: cccb78ce89c45a4414db712be4986edfb92434bd , < de529504b3274d57caf8f66800b714b0d3ee235a (git) Affected: cccb78ce89c45a4414db712be4986edfb92434bd , < 51d11ea0250d6ee461987403bbfd4b2abb5613a7 (git) Affected: cccb78ce89c45a4414db712be4986edfb92434bd , < fa9ce027b3ce37a2bb173bf2553b5caa438fd8c9 (git) Affected: cccb78ce89c45a4414db712be4986edfb92434bd , < 751ecf6afd6568adc98f2a6052315552c0483d18 (git) |
|
| Linux | Linux |
Affected:
5.13
Unaffected: 0 , < 5.13 (semver) Unaffected: 5.15.174 , ≤ 5.15.* (semver) Unaffected: 6.1.120 , ≤ 6.1.* (semver) Unaffected: 6.6.61 , ≤ 6.6.* (semver) Unaffected: 6.11.8 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64/sve: Discard stale CPU state when handling SVE traps\n\nThe logic for handling SVE traps manipulates saved FPSIMD/SVE state\nincorrectly, and a race with preemption can result in a task having\nTIF_SVE set and TIF_FOREIGN_FPSTATE clear even though the live CPU state\nis stale (e.g. with SVE traps enabled). This has been observed to result\nin warnings from do_sve_acc() where SVE traps are not expected while\nTIF_SVE is set:\n\n| if (test_and_set_thread_flag(TIF_SVE))\n| WARN_ON(1); /* SVE access shouldn\u0027t have trapped */\n\nWarnings of this form have been reported intermittently, e.g.\n\n https://lore.kernel.org/linux-arm-kernel/CA+G9fYtEGe_DhY2Ms7+L7NKsLYUomGsgqpdBj+QwDLeSg=JhGg@mail.gmail.com/\n https://lore.kernel.org/linux-arm-kernel/000000000000511e9a060ce5a45c@google.com/\n\nThe race can occur when the SVE trap handler is preempted before and\nafter manipulating the saved FPSIMD/SVE state, starting and ending on\nthe same CPU, e.g.\n\n| void do_sve_acc(unsigned long esr, struct pt_regs *regs)\n| {\n| // Trap on CPU 0 with TIF_SVE clear, SVE traps enabled\n| // task-\u003efpsimd_cpu is 0.\n| // per_cpu_ptr(\u0026fpsimd_last_state, 0) is task.\n|\n| ...\n|\n| // Preempted; migrated from CPU 0 to CPU 1.\n| // TIF_FOREIGN_FPSTATE is set.\n|\n| get_cpu_fpsimd_context();\n|\n| if (test_and_set_thread_flag(TIF_SVE))\n| WARN_ON(1); /* SVE access shouldn\u0027t have trapped */\n|\n| sve_init_regs() {\n| if (!test_thread_flag(TIF_FOREIGN_FPSTATE)) {\n| ...\n| } else {\n| fpsimd_to_sve(current);\n| current-\u003ethread.fp_type = FP_STATE_SVE;\n| }\n| }\n|\n| put_cpu_fpsimd_context();\n|\n| // Preempted; migrated from CPU 1 to CPU 0.\n| // task-\u003efpsimd_cpu is still 0\n| // If per_cpu_ptr(\u0026fpsimd_last_state, 0) is still task then:\n| // - Stale HW state is reused (with SVE traps enabled)\n| // - TIF_FOREIGN_FPSTATE is cleared\n| // - A return to userspace skips HW state restore\n| }\n\nFix the case where the state is not live and TIF_FOREIGN_FPSTATE is set\nby calling fpsimd_flush_task_state() to detach from the saved CPU\nstate. This ensures that a subsequent context switch will not reuse the\nstale CPU state, and will instead set TIF_FOREIGN_FPSTATE, forcing the\nnew state to be reloaded from memory prior to a return to userspace."
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CVE-2024-53113 (GCVE-0-2024-53113)
Vulnerability from cvelistv5 – Published: 2024-12-02 13:44 – Updated: 2026-05-11 20:51
VLAI
EPSS
Title
mm: fix NULL pointer dereference in alloc_pages_bulk_noprof
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: fix NULL pointer dereference in alloc_pages_bulk_noprof
We triggered a NULL pointer dereference for ac.preferred_zoneref->zone in
alloc_pages_bulk_noprof() when the task is migrated between cpusets.
When cpuset is enabled, in prepare_alloc_pages(), ac->nodemask may be
¤t->mems_allowed. when first_zones_zonelist() is called to find
preferred_zoneref, the ac->nodemask may be modified concurrently if the
task is migrated between different cpusets. Assuming we have 2 NUMA Node,
when traversing Node1 in ac->zonelist, the nodemask is 2, and when
traversing Node2 in ac->zonelist, the nodemask is 1. As a result, the
ac->preferred_zoneref points to NULL zone.
In alloc_pages_bulk_noprof(), for_each_zone_zonelist_nodemask() finds a
allowable zone and calls zonelist_node_idx(ac.preferred_zoneref), leading
to NULL pointer dereference.
__alloc_pages_noprof() fixes this issue by checking NULL pointer in commit
ea57485af8f4 ("mm, page_alloc: fix check for NULL preferred_zone") and
commit df76cee6bbeb ("mm, page_alloc: remove redundant checks from alloc
fastpath").
To fix it, check NULL pointer for preferred_zoneref->zone.
Severity
No CVSS data available.
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
387ba26fb1cb9be9e35dc14a6d97188e916eda05 , < 903d896448c2e50e8652aaba529a30d4d1eaa0e5
(git)
Affected: 387ba26fb1cb9be9e35dc14a6d97188e916eda05 , < 6addb2d9501ec866d7b3a3b4e665307c437e9be2 (git) Affected: 387ba26fb1cb9be9e35dc14a6d97188e916eda05 , < d0f16cec79774c3132df006cf771eddd89d08f58 (git) Affected: 387ba26fb1cb9be9e35dc14a6d97188e916eda05 , < 31502374627ba9ec3e710dbd0bb00457cc6d2c19 (git) Affected: 387ba26fb1cb9be9e35dc14a6d97188e916eda05 , < 8ce41b0f9d77cca074df25afd39b86e2ee3aa68e (git) |
|
| Linux | Linux |
Affected:
5.13
Unaffected: 0 , < 5.13 (semver) Unaffected: 5.15.174 , ≤ 5.15.* (semver) Unaffected: 6.1.119 , ≤ 6.1.* (semver) Unaffected: 6.6.63 , ≤ 6.6.* (semver) Unaffected: 6.11.10 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
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Loading…
Trend slope:
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(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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