• CVE-2024-43888

发布时间: 2024年9月3日

修改时间: 2024年9月3日

概要

In the Linux kernel, the following vulnerability has been resolved:mm: list_lru: fix UAF for memory cgroupThe mem_cgroup_from_slab_obj() is supposed to be called under rcu lock orcgroup_mutex or others which could prevent returned memcg from beingfreed. 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

CVSS v3 指标

NVD openEuler
CVSS评分 7.8 7.8
Attack Vector Local Local
Attack Complexity Low Low
Privileges Required Low Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality High High
Integrity High High
Availability High High

安全公告

公告名 概要 发布时间
KylinSec-SA-2024-3618 In the Linux kernel, the following vulnerability has been resolved:mm: list_lru: fix UAF for memory cgroupThe mem_cgroup_from_slab_obj() is supposed to be called under rcu lock orcgroup_mutex or others which could prevent returned memcg from beingfreed. 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 2024年9月3日

影响产品

产品 状态
KY3.4-5A kernel Unaffected
KY3.5.2 kernel Unaffected
V6 kernel Unaffected