CVE-2026-64484

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 96cad5bd7d0a176db3fdc06717a41271247336bdaffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6c4efebaf73e217efbd08cdbda805758a7db3680affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 41759affbcfe3d51a32900da9547a1ffd744a85faffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7531a37720c2545a480fd0fa464978569bf9d6a2affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < af01c48e17a66fa038af210a5c49d6cdefd210bdaffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9e53e99b6fa3cd82992d963cbff58dbbd1df8651affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1949163dee39e0e4a1468f37dd7302962f6af45aaffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1edd1f02dddd20aeb6066ded41017615766ea42faffected
LinuxLinux2.6.12affected
LinuxLinux0 < 2.6.12unaffected
LinuxLinux5.10.261 <= 5.10.*unaffected
LinuxLinux5.15.212 <= 5.15.*unaffected
LinuxLinux6.1.178 <= 6.1.*unaffected
LinuxLinux6.6.145 <= 6.6.*unaffected
LinuxLinux6.12.96 <= 6.12.*unaffected
LinuxLinux6.18.39 <= 6.18.*unaffected
LinuxLinux7.1.4 <= 7.1.*unaffected
LinuxLinux7.2-rc1 <= *unaffected

Weaknesses

References