CVE-2023-52441
Medium
Elevated severity or exploit probability.
CVSS base
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS — probability of exploitation (30 days)
0.7%
50.9th percentile
CISA KEV
Not listed
Weakness / dates
CWE-119
Published 2024-02-21 · modified 2026-08-15
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2024-02-21 — Published (NVD)
- 2026-08-15 — Last modified (NVD)
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds in init_smb2_rsp_hdr() If client send smb2 negotiate request and then send smb1 negotiate request, init_smb2_rsp_hdr is called for smb1 negotiate request since need_neg is set to false. This patch ignore smb1 packets after ->need_neg is set to false.
Affected
References
- https://git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bc
- https://git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452b
- https://git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40b
- https://git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895f
- https://git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bc
- https://git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452b
- https://git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40b
- https://git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895f