SB20260918175 - Race condition in Linux kernel misc bcm-vk driver

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Main Vulnerability Database SB20260918175

SB20260918175 - Race condition in Linux kernel misc bcm-vk driver

Published: September 18, 2026

Security Bulletin ID SB20260918175
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Race condition (CVE-ID: CVE-2026-93052)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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


The vulnerability allows a local user to access message queues using stale cached queue information.

The vulnerability exists due to improper synchronization in the bcm-vk message queue initialization and driver access checks when initializing message queues concurrently with driver access. A local user can race message queue initialization with driver access to access message queues using stale cached queue information.


Remediation

Install update from vendor's website.

References