PT-2025-38567 · Linux+4 · Linux Kernel+4
Syzbot
·
Published
2025-04-16
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Updated
2026-05-26
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CVE-2025-39860
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A use-after-free vulnerability exists in the Bluetooth stack, specifically within the
l2cap sock cleanup listen() function. The issue arises from a race condition where a socket can be freed and subsequently accessed by another thread, leading to a potential system crash. The vulnerability was identified through syzbot testing and involves the bt accept dequeue() function and the l2cap sock release() function.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Debian
Linuxmint
Linux Kernel
Suse
Ubuntu