ALSA: ctxfi: Fix missing SPDIFI1 index handling

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Summary

CVECVE-2026-31776
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-01 15:16:40 UTC
Updated2026-05-07 02:27:43 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Fix missing SPDIFI1 index handling SPDIF1 DAIO type isn't properly handled in daio_device_index() for hw20k2, and it returned -EINVAL, which ended up with the out-of-bounds array access. Follow the hw20k1 pattern and return the proper index for this type, too.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.000150000 probability, percentile 0.029500000 (date 2026-05-12)

Problem Types: CWE-129

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel 7.0 rc1 All All
Operating System Linux Linux Kernel 7.0 rc2 All All
Operating System Linux Linux Kernel 7.0 rc3 All All
Operating System Linux Linux Kernel 7.0 rc4 All All
Operating System Linux Linux Kernel 7.0 rc5 All All
Operating System Linux Linux Kernel 7.0 rc6 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected a2dbaeb5c61ef110ceefe0d48fe94d428d3bcf16 950decf59d4e978b60a792ce0b3e1555a608f489 git Not specified
CNA Linux Linux affected a2dbaeb5c61ef110ceefe0d48fe94d428d3bcf16 b045ab3dff97edae6d538eeff900a34c098761f8 git Not specified
CNA Linux Linux affected 6.19 Not specified
CNA Linux Linux unaffected 6.19 semver Not specified
CNA Linux Linux unaffected 6.19.12 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/b045ab3dff97edae6d538eeff900a34c098761f8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/950decf59d4e978b60a792ce0b3e1555a608f489 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/28222e13666b5d26bf66563c056069ed32f87b33 MITRE git.kernel.org
git.kernel.org/stable/c/57698f184e1afbe054b3cd30e2c43a67c11d7f5e MITRE git.kernel.org
git.kernel.org/stable/c/5b39985303a639b159dea306a032c08ef22f029d MITRE git.kernel.org
git.kernel.org/stable/c/a0b45bdfffce9894b39392d061c14fda24de8b67 MITRE git.kernel.org
git.kernel.org/stable/c/a3b0e5f84058a9c3d0542a71c2b3a7801e4ee26a MITRE git.kernel.org
git.kernel.org/stable/c/c8859675f1cf92fe2eb25ef525440702140a0b55 MITRE git.kernel.org
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