• CVE-2021-47311

发布时间: 2024年7月16日

修改时间: 2024年12月28日

概要

In the Linux kernel, the following vulnerability has been resolved: net: qcom/emac: fix UAF in emac_remove adpt is netdev private data and it cannot be used after free_netdev() call. Using adpt after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function.

CVSS v3 指标

NVD openEuler
Confidentiality High High
Attack Vector Local Local
CVSS评分 7.8 7.0
Attack Complexity Low High
Privileges Required Low Low
Scope Unchanged Unchanged
Integrity High High
User Interaction None None
Availability High High

安全公告

公告名 概要 发布时间
KylinSec-SA-2024-4729 In the Linux kernel, the following vulnerability has been resolved: net: qcom/emac: fix UAF in emac_remove adpt is netdev private data and it cannot be used after free_netdev() call. Using adpt after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function. 2024年7月16日
KylinSec-SA-2024-4806 kernel security update 2024年7月19日

影响产品

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