CVE-2023-53648

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A flaw exists in the Linux kernel's ALSA subsystem, specifically within the ac97 codec handling in the snd ac97 mixer() function. The issue involves a potential NULL dereference, which could occur if the rac97 variable is NULL. The fix removes a redundant assignment and introduces a check to return an error if rac97 is NULL, preventing the dereference.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.