CVE-2024-56605

HIGH

Linux Kernel < 5.4.287, 5.5.0-6.12.5 - Use-After-Free in Bluetooth L2CAP

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() bt_sock_alloc() allocates the sk object and attaches it to the provided sock object. On error l2cap_sock_alloc() frees the sk object, but the dangling pointer is still attached to the sock object, which may create use-after-free in other code.

Scores

CVSS v3 7.8
EPSS 0.0024
EPSS Percentile 14.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (23)
linux/Kernel 3.6.0 - 5.4.287linux
linux/Kernel 5.11.0 - 5.15.174linux
linux/Kernel 5.16.0 - 6.1.120linux
linux/Kernel 5.5.0 - 5.10.231linux
linux/Kernel 6.2.0 - 6.6.66linux
linux/Kernel 6.7.0 - 6.12.5linux
Linux/Linux < 3.6
Linux/Linux 3.6
Linux/Linux 49dfbb9129c4edb318578de35cc45c555df37884 - 61686abc2f3c2c67822aa23ce6f160467ec83d35
Linux/Linux 49dfbb9129c4edb318578de35cc45c555df37884 - 7c4f78cdb8e7501e9f92d291a7d956591bf73be9
... and 13 more
Published Dec 27, 2024
Tracked Since Feb 18, 2026