SB20260916139 - Race condition in Linux kernel parisc

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Main Vulnerability Database SB20260916139

SB20260916139 - Race condition in Linux kernel parisc

Published: September 16, 2026

Security Bulletin ID SB20260916139
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Race condition (CVE-ID: CVE-2026-89980)

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

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to compromise confidentiality, integrity, and availability.

The vulnerability exists due to a race condition involving uninitialized locks in the ALSA Harmony driver when a pending interrupt is handled after IRQ registration and before lock initialization. A remote attacker can trigger a pending interrupt during device initialization to compromise confidentiality, integrity, and availability.


Remediation

Install update from vendor's website.

References