CVE-2023-53827

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp} Similar to commit d0be8347c623 ("Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put"), just use l2cap_chan_hold_unless_zero to prevent referencing a channel that is about to be destroyed.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/1351551aa9058e07a20a27a158270cf84fcde621
https://git.kernel.org/stable/c/348d446762e7c70778df8bafbdf3fa0df2123f58
https://git.kernel.org/stable/c/a2a9339e1c9deb7e1e079e12e27a0265aea8421a
https://git.kernel.org/stable/c/ac6725a634f7e8c0330610a8527f20c730b61115
https://git.kernel.org/stable/c/c02421992505c95c7f3c9ad59ee35e22eac60988
https://git.kernel.org/stable/c/d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284
https://git.kernel.org/stable/c/d9ba36c22a7bb09d6bac4cc2f243eff05da53f43
https://git.kernel.org/stable/c/f2d38e77aa5f3effc143e7dd24da8acf02925958

Configurations

No configuration.

History

No history.

Information

Published : 2025-12-09 16:17

Updated : 2026-08-04 10:19

NVD link : CVE-2023-53827

Mitre link : CVE-2023-53827

CVE.ORG link : CVE-2023-53827

JSON object : View

Products Affected

No product.

CWE

No CWE.

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