SB20251230181 - Use-after-free in Linux kernel clk zynqmp driver
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230181
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-2022-50828)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the zynqmp_get_clock_info() function in drivers/clk/zynqmp/clkc.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0a07b13af04d0db7325018aaa83b5ffe864790c9
- https://git.kernel.org/stable/c/5dbfcf7b080306b65d9f756fadf46c9495793750
- https://git.kernel.org/stable/c/bce41e4ac6f5ca3b22a07e8cdadc12044bbf9d3b
- https://git.kernel.org/stable/c/d66fea97671fcb516bd6d34bcc033f650ac7ee91
- https://git.kernel.org/stable/c/d9e2585c3bcecb1c83febad31b9f450e93d2509e
- https://git.kernel.org/stable/c/dd80fb2dbf1cd8751efbe4e53e54056f56a9b115
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.150
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.75
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.220
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1