vulnerability
Red Hat: CVE-2024-43888: kernel: mm: list_lru: fix UAF for memory cgroup (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:L/AC:L/Au:S/C:C/I:N/A:C) | Aug 26, 2024 | Dec 5, 2024 | Aug 11, 2025 |
Severity
6
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:C)
Published
Aug 26, 2024
Added
Dec 5, 2024
Modified
Aug 11, 2025
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]
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-kernelredhat-upgrade-kernel-rt
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