CVE-2023-53648

Summary

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

ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer

smatch error: sound/pci/ac97/ac97_codec.c:2354 snd_ac97_mixer() error: we previously assumed 'rac97' could be null (see line 2072)

remove redundant assignment, return error if rac97 is NULL.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxda3cec35dd3c31d8706db4bf379372ce70d92118 < 809af7bb4219bdeef0dbb8b2ed700d6516d13fe9affected
LinuxLinuxda3cec35dd3c31d8706db4bf379372ce70d92118 < e4cccff1e7ab6ea30995b6fbbb007d02647e025caffected
LinuxLinuxda3cec35dd3c31d8706db4bf379372ce70d92118 < 5f13d67027fa782096e6aee0db5dce61c4aeb613affected
LinuxLinuxda3cec35dd3c31d8706db4bf379372ce70d92118 < f923a582217b198b557756809ffe42ac0fad6adbaffected
LinuxLinuxda3cec35dd3c31d8706db4bf379372ce70d92118 < 300e26e3e64880de5013eac8831cf44387ef752caffected
LinuxLinuxda3cec35dd3c31d8706db4bf379372ce70d92118 < d28b83252e150155b8b8c65b612c555e93c8b45faffected
LinuxLinuxda3cec35dd3c31d8706db4bf379372ce70d92118 < 09baf460dfba79ee6a0c72e68ccdbbba84d894dfaffected
LinuxLinuxda3cec35dd3c31d8706db4bf379372ce70d92118 < 228da1fa124470606ac19783e551f9d51a1e01b0affected
LinuxLinuxda3cec35dd3c31d8706db4bf379372ce70d92118 < 79597c8bf64ca99eab385115743131d260339da5affected
LinuxLinux2.6.28affected
LinuxLinux0 < 2.6.28unaffected
LinuxLinux4.14.322 <= 4.14.*unaffected
LinuxLinux4.19.291 <= 4.19.*unaffected
LinuxLinux5.4.251 <= 5.4.*unaffected
LinuxLinux5.10.188 <= 5.10.*unaffected
LinuxLinux5.15.121 <= 5.15.*unaffected
LinuxLinux6.1.39 <= 6.1.*unaffected
LinuxLinux6.3.13 <= 6.3.*unaffected
LinuxLinux6.4.4 <= 6.4.*unaffected
LinuxLinux6.5 <= *unaffected

Weaknesses

References