Home/CVE/In the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Check the error for index mapping The
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CVE-2026-31777

In the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Check the error for index mapping The

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.

MEDIUM · CVSS 5.5 EPSS 0.00017
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
▤

Affected Products & Versions

2
linux kernel>= 2.6.31 and < 6.19.12
linux kernelall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 May 2026 · 03:16 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

1
msrcCVE-2026-31777
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://git.kernel.org/stable/c/277c6960d4ddb94d16198afd70c92c3d4593d131Patch
https://git.kernel.org/stable/c/d4d3b8cbb70a2de247cbfe99bdb232aef9ed59bcPatch
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