CVE-2023-52442
5.5
MEDIUM
CVSS 3.1
EPSS 17.4%
Description
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.
How to fix CVE-2023-52442
To remediate CVE-2023-52442, upgrade the affected package to a fixed version below.
- —upgrade to 6.1.55-1 or later
Is CVE-2023-52442 being exploited?
Moderate — EPSS is 17.4%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 6.1.55-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |