ALSA: fireworks: bound device-supplied status before string array lookup

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Summary

CVECVE-2026-31619
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-24 15:16:41 UTC
Updated2026-06-01 17:16:52 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: ALSA: fireworks: bound device-supplied status before string array lookup The status field in an EFW response is a 32-bit value supplied by the firewire device. efr_status_names[] has 17 entries so a status value outside that range goes off into the weeds when looking at the %s value. Even worse, the status could return EFR_STATUS_INCOMPLETE which is 0x80000000, and is obviously not in that array of potential strings. Fix this up by properly bounding the index against the array size and printing "unknown" if it's not recognized.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

EPSS: 0.000180000 probability, percentile 0.048130000 (date 2026-04-27)

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected bde8a8f23bbe6db51fa4e81644273af18fef3d7a 183aa0de0f680496b9feb85c9d182681ad4600dd git Not specified
CNA Linux Linux affected bde8a8f23bbe6db51fa4e81644273af18fef3d7a 62fcb273fbee5b2a0e7ed41cc914c8d7d1a5d285 git Not specified
CNA Linux Linux affected bde8a8f23bbe6db51fa4e81644273af18fef3d7a 327f8e730e3c65ec97df9d3b07de66aeb3dc932d git Not specified
CNA Linux Linux affected bde8a8f23bbe6db51fa4e81644273af18fef3d7a f856f4b6efd51be7950e4b84c06cd961961ca41c git Not specified
CNA Linux Linux affected bde8a8f23bbe6db51fa4e81644273af18fef3d7a e103f98f6615ed2934e9cf340654f0cad9eb8a8a git Not specified
CNA Linux Linux affected bde8a8f23bbe6db51fa4e81644273af18fef3d7a 67cfd14074cdafab5de3f7cfc0952c1a9b653e5d git Not specified
CNA Linux Linux affected bde8a8f23bbe6db51fa4e81644273af18fef3d7a cc624b3d2be13297100539b64ad950695188e046 git Not specified
CNA Linux Linux affected bde8a8f23bbe6db51fa4e81644273af18fef3d7a 682d8accf0d83a871e8c327b95c81f53902c922b git Not specified
CNA Linux Linux affected bde8a8f23bbe6db51fa4e81644273af18fef3d7a 07704bbf36f57e4379e4cadf96410dab14621e3b git Not specified
CNA Linux Linux affected 3.16 Not specified
CNA Linux Linux unaffected 3.16 semver Not specified
CNA Linux Linux unaffected 5.10.258 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.209 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.175 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.136 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.83 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.24 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.14 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0.1 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/327f8e730e3c65ec97df9d3b07de66aeb3dc932d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/183aa0de0f680496b9feb85c9d182681ad4600dd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/67cfd14074cdafab5de3f7cfc0952c1a9b653e5d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/f856f4b6efd51be7950e4b84c06cd961961ca41c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/07704bbf36f57e4379e4cadf96410dab14621e3b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/62fcb273fbee5b2a0e7ed41cc914c8d7d1a5d285 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e103f98f6615ed2934e9cf340654f0cad9eb8a8a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/cc624b3d2be13297100539b64ad950695188e046 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/682d8accf0d83a871e8c327b95c81f53902c922b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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