CVE-2026-80628: ALSA: seq: oss: Serialize readq reset state with q->lock

CSIRTS triage

What

The ALSA sequencer OSS layer does not properly serialize readq reset state with the queue lock, causing potential data corruption or denial of service.

Who is affected

Systems running Linux kernel with ALSA sound subsystem and OSS sequencer compatibility enabled.

Urgency

Low severity (CVSS 3.6); should be patched in routine updates to prevent potential sound subsystem issues.

Action

Apply kernel security patch addressing CVE-2026-80628 when available from your distribution.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

Microsoft Security Response Center (INTL · vendor-psirt · site)

Severity

low — CVSS 3.6

Published

2026-08-11

Exploitation

Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80628

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-806280.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• high[NEW] [high] Linux Kernel: Multiple vulnerabilitiescert-bund
• highCVE-2026-80628: In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: oss: Serialize …nvd

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