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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-43436

ALSA: usb-audio: Check endpoint numbers at parsing Scarlett2 mixer interfaces

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Check endpoint numbers at parsing Scarlett2 mixer interfaces The Scarlett2 mixer quirk in USB-audio driver may hit a NULL dereference when a malformed USB descriptor is passed, since it assumes the presence of an endpoint in the parsed interface in scarlett2_find_fc_interface(), as reported by fuzzer. For avoiding the NULL dereference, just add the sanity check of bNumEndpoints and skip the invalid interface.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 6c0a2078134aba6a77291554035304df9e16b85c to < b014cc945baba75816cda0cf8934be87c9ed4947affected
  • 6c0a2078134aba6a77291554035304df9e16b85c to < c5c5a6c53cf3b658f1d4512dfa61f3cd25bc34baaffected
  • 6c0a2078134aba6a77291554035304df9e16b85c to < b267255c15d2a5b90c4e926146aa155e5161e264affected
  • 6c0a2078134aba6a77291554035304df9e16b85c to < 3d542cf3c4c854cdf5d58049771f68926b9eb2b9affected
  • 6c0a2078134aba6a77291554035304df9e16b85c to < 3d4f23885e4b90347c9a1d779af6e79a99b5172aaffected
  • 6c0a2078134aba6a77291554035304df9e16b85c to < df1d8abf36ca3681c21a6809eaa9a1e01ef897a6affected

Linux Linux

Default version status: affected

  • 5.14affected
  • 0 to < 5.14unaffected
  • 6.1.167 to ≤ 6.1.*unaffected
  • 6.6.130 to ≤ 6.6.*unaffected
  • 6.12.78 to ≤ 6.12.*unaffected
  • 6.18.19 to ≤ 6.18.*unaffected
  • 6.19.9 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References