CVE-2026-31619

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxbde8a8f23bbe6db51fa4e81644273af18fef3d7a < 183aa0de0f680496b9feb85c9d182681ad4600ddaffected
LinuxLinuxbde8a8f23bbe6db51fa4e81644273af18fef3d7a < 62fcb273fbee5b2a0e7ed41cc914c8d7d1a5d285affected
LinuxLinuxbde8a8f23bbe6db51fa4e81644273af18fef3d7a < 327f8e730e3c65ec97df9d3b07de66aeb3dc932daffected
LinuxLinuxbde8a8f23bbe6db51fa4e81644273af18fef3d7a < f856f4b6efd51be7950e4b84c06cd961961ca41caffected
LinuxLinuxbde8a8f23bbe6db51fa4e81644273af18fef3d7a < e103f98f6615ed2934e9cf340654f0cad9eb8a8aaffected
LinuxLinuxbde8a8f23bbe6db51fa4e81644273af18fef3d7a < 67cfd14074cdafab5de3f7cfc0952c1a9b653e5daffected
LinuxLinuxbde8a8f23bbe6db51fa4e81644273af18fef3d7a < cc624b3d2be13297100539b64ad950695188e046affected
LinuxLinuxbde8a8f23bbe6db51fa4e81644273af18fef3d7a < 682d8accf0d83a871e8c327b95c81f53902c922baffected
LinuxLinuxbde8a8f23bbe6db51fa4e81644273af18fef3d7a < 07704bbf36f57e4379e4cadf96410dab14621e3baffected
LinuxLinux3.16affected
LinuxLinux0 < 3.16unaffected
LinuxLinux5.10.258 <= 5.10.*unaffected
LinuxLinux5.15.209 <= 5.15.*unaffected
LinuxLinux6.1.175 <= 6.1.*unaffected
LinuxLinux6.6.136 <= 6.6.*unaffected
LinuxLinux6.12.83 <= 6.12.*unaffected
LinuxLinux6.18.24 <= 6.18.*unaffected
LinuxLinux6.19.14 <= 6.19.*unaffected
LinuxLinux7.0.1 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References