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CVE-2024-50086

kernel: ksmbd: fix user-after-free from session log off

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Severity

Moderate

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · October 29, 2024

Updated · September 14, 2026

Description

A flaw was found in the ksmbd component of the Linux kernel. A race condition exists between the SMB2 session log off and session setup processes. This timing issue can lead to a user-after-free vulnerability, which a remote attacker could potentially exploit to achieve arbitrary code execution or cause a denial of service.

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

CWE-416 · Use After Free