PT-2025-49719 · Linux · Linux Kernel
Published
2025-12-09
·
Updated
2026-03-24
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CVE-2023-53828
None
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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.
Exploit
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Related Identifiers
Affected Products
Linux Kernel