• 公告ID (KylinSec-SA-2024-3618)

摘要:

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

安全等级: Low

公告ID: KylinSec-SA-2024-3618

发布日期: 2024年9月3日

关联CVE: CVE-2024-43888  

  • 详细介绍

1. 漏洞描述

   

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

2. 影响范围

cve名称 产品 组件 是否受影响
CVE-2024-43888 KY3.4-5A kernel Unaffected
CVE-2024-43888 KY3.5.2 kernel Unaffected
CVE-2024-43888 V6 kernel Unaffected

3. 影响组件

    无

4. 修复版本

    无

5. 修复方法

   无

6. 下载链接

    无
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