CVE-2024-43888 — mm: list_lru: fix UAF for memory cgroup
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 l…
Published: 2024-08-26 · CVSS: 7.8 · CVSS 3.1
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]
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7