CVE-2026-64484 PUBLISHED

ALSA: es1938: 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: es1938: check snd_ctl_new1() return value

snd_ctl_new1() can return NULL when memory allocation fails. snd_es1938_mixer() does not check the return value before dereferencing the pointer, which can lead to a NULL pointer dereference.

Add a NULL check after snd_ctl_new1() and return -ENOMEM if it fails.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 96cad5bd7d0a176db3fdc06717a41271247336bd (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 6c4efebaf73e217efbd08cdbda805758a7db3680 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 41759affbcfe3d51a32900da9547a1ffd744a85f (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 7531a37720c2545a480fd0fa464978569bf9d6a2 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to af01c48e17a66fa038af210a5c49d6cdefd210bd (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 9e53e99b6fa3cd82992d963cbff58dbbd1df8651 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 1949163dee39e0e4a1468f37dd7302962f6af45a (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 1edd1f02dddd20aeb6066ded41017615766ea42f (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 2.6.12 is affected
  • unaffected from 0 to 2.6.12 (excl.)
  • unaffected from 5.10.261 to 5.10.* (incl.)
  • unaffected from 5.15.212 to 5.15.* (incl.)
  • 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