CVE-2026-98308 PUBLISHED

ALSA: hda: trace PCM open only after assigning a stream

Assigner: Linux
Reserved: 25.09.2026 Published: 06.10.2026 Updated: 06.10.2026

In the Linux kernel, the following vulnerability has been resolved:

ALSA: hda: trace PCM open only after assigning a stream

Stream assignment can fail when hardware streams are exhausted. Move the tracepoint after the NULL check because its payload accesses the assigned stream tag.

Detected by static analysis and reviewed with AI-assisted source auditing.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 184865085b88789fc8a355cc16ceff25f82f63ba to 5a4c974dee03cc46eac43c82f33e34ec94f0b348 (excl.)
  • affected from 184865085b88789fc8a355cc16ceff25f82f63ba to fba079ea22822248c82c3a999c88676d05b17bda (excl.)
  • affected from 184865085b88789fc8a355cc16ceff25f82f63ba to 3c6ca6d9342f4a0be7c1413180e11023d13b5cde (excl.)
  • affected from 184865085b88789fc8a355cc16ceff25f82f63ba to 0a52ba6d3b268bb82f0ec4cb861bc68d252369c0 (excl.)
  • affected from 184865085b88789fc8a355cc16ceff25f82f63ba to 5c89e7965220e85d06ae4c58adb7d7bb6da2440c (excl.)
  • affected from 184865085b88789fc8a355cc16ceff25f82f63ba to 8477643cb91c9e09ac1b11890eef421ae63e53f7 (excl.)
  • affected from 184865085b88789fc8a355cc16ceff25f82f63ba to 3db8afba2d210b7d80cd5cc6b76d7f46daa9b47a (excl.)
  • affected from 184865085b88789fc8a355cc16ceff25f82f63ba to c9e6e5f38bf75276605f1952b22285f5f3abcaff (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 4.2 is affected
  • unaffected from 0 to 4.2 (excl.)
  • unaffected from 5.10.271 to 5.10.* (incl.)
  • unaffected from 5.15.222 to 5.15.* (incl.)
  • unaffected from 6.1.189 to 6.1.* (incl.)
  • unaffected from 6.6.158 to 6.6.* (incl.)
  • unaffected from 6.12.112 to 6.12.* (incl.)
  • unaffected from 6.18.54 to 6.18.* (incl.)
  • unaffected from 7.2.8 to 7.2.* (incl.)
  • unaffected from 7.3-rc4 to * (incl.)

References