netfilter：nf_queue：修复可能的释放后使用 (CVE-2022-48911)

CVE编号

CVE-2022-48911

利用情况

暂无

补丁情况

N/A

披露时间

2024-08-22

漏洞描述

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_queue: fix possible use-after-free Eric Dumazet says: The sock_hold() side seems suspect, because there is no guarantee that sk_refcnt is not already 0. On failure, we cannot queue the packet and need to indicate an error. The packet will be dropped by the caller. v2: split skb prefetch hunk into separate change

解决建议

建议您更新当前系统或软件至最新版，完成漏洞的修复。

参考链接
https://git.kernel.org/stable/c/21b27b2baa27423286e9b8d3f0b194d587083d95
https://git.kernel.org/stable/c/34dc4a6a7f261736ef7183868a5bddad31c7f9e3
https://git.kernel.org/stable/c/43c25da41e3091b31a906651a43e80a2719aa1ff
https://git.kernel.org/stable/c/4d05239203fa38ea8a6f31e228460da4cb17a71a
https://git.kernel.org/stable/c/c3873070247d9e3c7a6b0cf9bf9b45e8018427b1
https://git.kernel.org/stable/c/dcc3cb920bf7ba66ac5e9272293a9ba5f80917ee
https://git.kernel.org/stable/c/dd648bd1b33a828f62befa696b206c688da0ec43
https://git.kernel.org/stable/c/ef97921ccdc243170fcef857ba2a17cf697aece5

CVSS3评分 N/A

• 攻击路径 N/A
• 攻击复杂度 N/A
• 权限要求 N/A
• 影响范围 N/A
• 用户交互 N/A
• 可用性 N/A
• 保密性 N/A
• 完整性 N/A

N/A

CWE-ID	漏洞类型

Exp相关链接

- avd.aliyun.com