CVE-2024-26936

kernel: ksmbd: validate request buffer size in smb2_allocate_rsp_buf()

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Severity

Moderate

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · May 1, 2024

Updated · August 5, 2026

Description

A flaw was found in the Linux kernel’s ksmbd module. A missing validation of a buffer size can trigger an out-of-bounds access, resulting in a denial of service.

Statement

The ksmbd module is not built in the kernel shipped in Red Hat Enterprise Linux, so it is not affected by this vulnerability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')