CVE-2026-31777: ALSA: ctxfi: Check the error for index mapping

Published May 1, 2026
·
Updated

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 daiodeviceindex(), but it's not always true. Add a proper error check to deal with the error from the function.

Affected Software

8 affected components
Linux ALSA ctxfi driver
Linux Linux kernel>=2.6.31<6.19.12
Linux Linux kernel=7.0-rc1
Linux Linux kernel=7.0-rc2
Linux Linux kernel=7.0-rc3
Linux Linux kernel=7.0-rc4
Linux Linux kernel=7.0-rc5
Linux Linux kernel=7.0-rc6

Event History

May 1, 2026
CVE Published
via MITRE·02:15 PM
Data Sourced
via MITRE·02:15 PM
Description
Data Sourced
via NVD·03:16 PM
RemedyDescriptionSeverityAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-31777?

CVE-2026-31777 is classified as a medium severity vulnerability in the ALSA ctxfi driver.

2

How do I fix CVE-2026-31777?

To resolve CVE-2026-31777, update the Linux ALSA ctxfi driver to the latest version where the vulnerability has been patched.

3

What impact does CVE-2026-31777 have on systems?

CVE-2026-31777 can lead to unexpected behavior or crashes in systems using the affected ALSA ctxfi driver.

4

Which version of Linux is affected by CVE-2026-31777?

CVE-2026-31777 affects systems running the ALSA ctxfi driver without the proper error handling implemented.

5

Is there a workaround for CVE-2026-31777?

There are no documented workarounds for CVE-2026-31777, updating the driver is the recommended action.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203