CVE-2026-31619 PUBLISHED

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

Assigner: Linux
Reserved: 09.03.2026 Published: 24.04.2026 Updated: 24.04.2026

In 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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to e103f98f6615ed2934e9cf340654f0cad9eb8a8a (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 67cfd14074cdafab5de3f7cfc0952c1a9b653e5d (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to cc624b3d2be13297100539b64ad950695188e046 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 682d8accf0d83a871e8c327b95c81f53902c922b (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • unaffected from 6.12.83 to 6.12.* (incl.)
  • unaffected from 6.18.24 to 6.18.* (incl.)
  • unaffected from 6.19.14 to 6.19.* (incl.)
  • unaffected from 7.0.1 to 7.0.* (incl.)

References