CVE-2026-31777: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 2.6.31, before 6.19.12 (fixed in 6.19.12); version 7.0 only

Published 2026-05-01. Last modified 2026-06-17.