CVE-2026-64486 PUBLISHED

ALSA: cmipci: check snd_ctl_new1() return value

Assigner: Linux
Reserved: 19.07.2026 Published: 25.07.2026 Updated: 25.07.2026

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

ALSA: cmipci: check snd_ctl_new1() return value

snd_ctl_new1() can return NULL when memory allocation fails. snd_cmipci_spdif_controls() does not check the return value before dereferencing kctl->id.device, which can lead to a NULL pointer dereference.

Add NULL checks after snd_ctl_new1() calls and return -ENOMEM if any fails.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 3454490e0396191f8f9c215fccf5deef76abffb5 to b44888c33c4f11277d0e5e023338f2740232a4ed (excl.)
  • affected from f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9 to 8825a06bfa7932a7a74dec01669d405df0b47286 (excl.)
  • affected from f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9 to 4dd5b0b1a52a8d6e59a3f217204817228ce0238b (excl.)
  • affected from f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9 to af2b009b773bc42995546507963e5e78970dc3ed (excl.)
  • affected from f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9 to 67e9ea92cd598cba1783ff701553c776a6cedee9 (excl.)
  • affected from f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9 to c205bd1b28fb7e5f1061a4e78813fad7d315cb3e (excl.)
  • Version 7bf12707fa3db4c14fbe8ab93efb421d8ca93bf8 is affected
  • affected from 6.1.34 to 6.1.178 (excl.)
  • affected from 6.3.8 to 6.4 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.4 is affected
  • unaffected from 0 to 6.4 (excl.)
  • unaffected from 6.1.178 to 6.1.* (incl.)
  • unaffected from 6.6.145 to 6.6.* (incl.)
  • unaffected from 6.12.96 to 6.12.* (incl.)
  • unaffected from 6.18.39 to 6.18.* (incl.)
  • unaffected from 7.1.4 to 7.1.* (incl.)
  • unaffected from 7.2-rc1 to * (incl.)

References