CVE-2023-52442

描述

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate session id and tree id in compound request `smb2_get_msg()` in smb2_get_ksmbd_tcon() and smb2_check_user_session() will always return the first request smb2 header in a compound request. if `SMB2_TREE_CONNECT_HE` is the first command in compound request, will return 0, i.e. The tree id check is skipped. This patch use ksmbd_req_buf_next() to get current command in compound.

如何修補 CVE-2023-52442

要修補 CVE-2023-52442,請將受影響套件升級到下列已修補版本。

• —升級至 6.1.55-1 或更新版本

CVE-2023-52442 正在被利用嗎?

中等 — EPSS 為 17.4%,可持續追蹤但非最高優先。

受影響套件(1)

• from 0, < 6.1.55-1

CVSS 分數

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2023-52442