CVEvulnerability

CVE-2023-4515

5.5 MEDIUM Published 2025-08-16 Modified 2026-08-04 Official page ↗
Status
Modified
Published
2025-08-16
Last modified
2026-08-04
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate command request size In commit 2b9b8f3b68ed ("ksmbd: validate command payload size"), except for SMB2_OPLOCK_BREAK_HE command, the request size of other commands is not checked, it's not expected. Fix it by add check for request size of other commands.

Affected configurations

• linux linux kernel (>= 5.15.121 < 5.15.127) • linux linux kernel (>= 6.1.36 < 6.1.46) • linux linux kernel (>= 6.3.10 < 6.4) • linux linux kernel (>= 6.4.1 < 6.4.11) • linux linux kernel 6.4 • linux linux kernel 6.5

References