CVE-2026-64484: ALSA: es1938: check snd_ctl_new1() return value

mediumCVSS 5.5CVE-2026-64484

CSIRTS triage

Other

What: A check for the return value of snd_ctl_new1() is missing in the es1938 ALSA driver.
Who is affected: Affected systems using the es1938 ALSA driver.
Urgency: The urgency is unclear due to unknown severity.
Action: Monitor for updates regarding this vulnerability.

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

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 5.5
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64484

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-2026-644840.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-64484	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownCVE-2026-64484: In the Linux kernel, the following vulnerability has been resolved: ALSA: es1938: check snd_ct…nvd

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