Use After Free Affecting kernel package, versions *
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Test your applications- Snyk ID SNYK-CENTOS7-KERNEL-7839071
- published 27 Aug 2024
- disclosed 26 Aug 2024
Introduced: 26 Aug 2024
CVE-2024-43888 Open this link in a new tabHow to fix?
There is no fixed version for Centos:7 kernel.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
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.
[songmuchun@bytedance.com: only grab rcu lock when necessary, per Vlastimil] Link: https://lkml.kernel.org/r/20240801024603.1865-1-songmuchun@bytedance.com