CVE-2024-43888

mm: list_lru: fix UAF for memory cgroup

HIGH
7.8
CVSS Score
Published: August 26, 2024 at 10:10 AM UTC
Updated: October 21, 2026 at 01:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: mm: list_lru: fix UAF for memory cgroup The mem_cgroup_from_slab_obj() is supposed to be called under rcu lock or cgroup_mutex or others which could prevent returned memcg from being freed. Fix it by adding missing rcu read lock. Found by code inspection. [[email protected]: only grab rcu lock when necessary, per Vlastimil]

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.8 ≤ v < 6.10.50a97c01cd20bb96359d8c9dedad92a061ed34e0b6.116.11 rc16.11 rc2
Vendor states this is fixed in 4589f77c18dd98b65f45617b6d1e95313cf6fcab (fixed)
Vendor states this is fixed in 5161b48712dcd08ec427c450399d4d1483e21dea (fixed)
Vendor states this is fixed in 6.10.5 (unaffected)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4589f77c18dd98b65f45617b6d1e95313cf6fcab
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5161b48712dcd08ec427c450399d4d1483e21dea

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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