CVE-2026-31777

ALSA: ctxfi: Check the error for index mapping

CVE-2026-31777 is fixed in linux on 1 platform by DEBIAN-CVE-2026-31777 (version 6.19.12-1), released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.0

Important

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0012

1st percentile

In the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Check the error for index mapping The ctxfi driver blindly assumed a proper value returned from daio_device_index(), but it's not always true. Add a proper error check to deal with the error from the function.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
linux · Debian 14	6.19.12-1	DEBIAN-CVE-2026-31777	May 15, 2026

Details

Published
May 1, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-31777

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