CVE-2024-43888

CVE Details

Release Date:	2024-08-26
Impact:	Moderate	What is this?

Description

In the Linux kernel, the following vulnerability has been resolved:\nmm: list_lru: fix UAF for memory cgroup\nThe mem_cgroup_from_slab_obj() is supposed to be called under rcu lock or\ncgroup_mutex or others which could prevent returned memcg from being\nfreed. Fix it by adding missing rcu read lock.\nFound by code inspection.\n[songmuchun@bytedance.com: only grab rcu lock when necessary, per Vlastimil]\nLink: https://lkml.kernel.org/r/20240801024603.1865-1-songmuchun@bytedance.com

See more information about CVE-2024-43888 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.1
Vector String:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Version:	3.1
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 9 (kernel)	ELSA-2024-9315	2024-11-14