• CVE-2024-27396

发布时间: 2024年5月24日

修改时间: 2025年1月18日

概要

In the Linux kernel, the following vulnerability has been resolved: net: gtp: Fix Use-After-Free in gtp_dellink Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of gtp_dellink, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe.

CVSS v3 指标

NVD openEuler
Confidentiality High
Attack Vector Local
CVSS评分 7.8 0.0
Attack Complexity Low
Privileges Required Low
Scope Unchanged
Integrity High
User Interaction None
Availability High

安全公告

公告名 概要 发布时间
KylinSec-SA-2024-4668 In the Linux kernel, the following vulnerability has been resolved: net: gtp: Fix Use-After-Free in gtp_dellink Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of gtp_dellink, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe. 2024年5月24日
KylinSec-SA-2024-4778 kernel security update 2024年5月24日
KylinSec-SA-2024-4953 kernel security update 2024年5月24日

影响产品

产品 状态
KY3.4-4A kernel Fixed
KY3.4-5A kernel Fixed
KY3.5.1 kernel Fixed
KY3.5.2 kernel Fixed
V6 kernel Unaffected