#VU109252 Use-after-free in Linux kernel - CVE-2023-53145
Published: May 16, 2025
Vulnerability identifier: #VU109252
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53145
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the btsdio_remove() function in drivers/bluetooth/btsdio.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/179c65828593aff1f444e15debd40a477cb23cf4
- https://git.kernel.org/stable/c/3efcbf25e5ab4d4ad1b7e6ba0869ff85540e3f6e
- https://git.kernel.org/stable/c/6c3653627397a0d6eab19b20a59423e118985a6b
- https://git.kernel.org/stable/c/73f7b171b7c09139eb3c6a5677c200dc1be5f318
- https://git.kernel.org/stable/c/746b363bef41cc159c051c47f9e30800bc6b520d
- https://git.kernel.org/stable/c/a5c2a467e9e789ae0891de55b766daac52e3b7b3
- https://git.kernel.org/stable/c/a6650d27ab2c12a8ee750f396edb5ac8b4558b2e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.257