SB2025100854 - Use-after-free in Linux kernel clk microchip driver
Published: October 8, 2025 Updated: October 26, 2025
Security Bulletin ID
SB2025100854
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-2023-53636)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mpfs_reset_unregister_adev() function in drivers/clk/microchip/clk-mpfs.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/5b4052aa956e11bcd19e50ca559eb38dcb46201b
- https://git.kernel.org/stable/c/7455b7007b9e93bcc2bc9c1c6c73a228e3152069
- https://git.kernel.org/stable/c/934406b2d42eaf3fc57f5546cc68ff7ab9680bb3
- https://git.kernel.org/stable/c/d7d6dacf39ed102d7667721ca1700022c9c8b11a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.15