SB20261015151 - Improper initialization in Linux kernel mac80211

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Main Vulnerability Database SB20261015151

SB20261015151 - Improper initialization in Linux kernel mac80211

Published: October 15, 2026

Security Bulletin ID SB20261015151
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper initialization (CVE-ID: CVE-2026-98325)

CWE-ID: CWE-665 - Improper Initialization

CVSSv4: 0 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local user to prevent failed wireless transmissions from being reported to userspace.

The vulnerability exists due to improper initialization of socket buffer transmit metadata in the mac80211 transmit path when handling transmit header construction and socket buffer resizing failures. A local user can trigger the affected transmit failure paths to prevent failed wireless transmissions from being reported to userspace.


Remediation

Install update from vendor's website.

References