Use-after-free in Linux kernel - CVE-2024-53186
Published: December 30, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU102050
CSH Severity: Low
CVSS v4.0: 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-2024-53186
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability 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 handle_ksmbd_work() function in fs/smb/server/server.c. A local user can escalate privileges on the system.
How to mitigate CVE-2024-53186
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/96261adb998a3b513468b6ce17dbec76be5507d4
- https://git.kernel.org/stable/c/9a8c5d89d327ff58e9b2517f8a6afb4181d32c6e
- https://git.kernel.org/stable/c/a96f9eb7add30ba0fafcfe7b7aca090978196800
- https://git.kernel.org/stable/c/f20b77f7897e6aab9ce5527e6016ad2be5d70a33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11