CVE-2023-53828

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

Description A use-after-free issue exists in the Bluetooth component of the Linux kernel, specifically within the hci add adv monitor() function. The issue occurs when adding an advertisement monitor, leading to a potential crash or unexpected behavior. The vulnerability is triggered by a call chain involving msft add monitor pattern(), msft add monitor sync(), msft le monitor advertisement cb(), and hci free adv monitor(). The root cause is the use of a freed memory pointer within bt dev dbg(). The vulnerable code path involves accessing memory associated with a monitor after it has been freed.

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