PT-2025-53977 · Linux · Linux Kernel

CVE-2022-50859

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Published

2022-09-26

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Updated

2026-02-24

CVSS v2.0

4.6

Medium

VectorAV:L/AC:L/Au:S/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A flaw exists in the Linux kernel's CIFS implementation related to the length of the VALIDATE NEGOTIATE INFO message. A commit extended the dialects from 3 to 4 but failed to adjust the extended length accordingly, resulting in a message length exceeding expectations. This could potentially lead to information disclosure over the network due to uninitialized message body content. Applying a patch reduces the message length from 28 bytes to 26 bytes.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Initialization

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Weakness Enumeration

Related Identifiers

BDU:2026-08954
CVE-2022-50859
SUSE-SU-2026:0263-1
SUSE-SU-2026:0316-1
SUSE-SU-2026:0317-1
SUSE-SU-2026:0411-1
SUSE-SU-2026:0617-1

Affected Products

Linux Kernel