SB2024123073 - Use-after-free in Linux kernel smb server
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024123073
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-53186)
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.
Remediation
Install update from vendor's website.
References
- 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