Use After Free in Linux
CVE-2024-43888
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]
Vulnerability class: Use-After-Free
EPSS: 0.002 (12.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 0a97c01cd20bb96359d8c9dedad92a061ed34e0b, 6.8, 0
- Linux Linux_kernel — versions 6.11
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2024-43888?
- CVE-2024-43888 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2024-08-26.
- How severe is CVE-2024-43888?
- High severity. CVSS v3 base score is 7.8 out of 10.