SB2025042253 - Use-after-free in Linux kernel trace
Published: April 22, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025042253
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-2025-22035)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the wakeup_trace_open() function in kernel/trace/trace_sched_wakeup.c, within the irqsoff_trace_open() function in kernel/trace/trace_irqsoff.c, within the graph_trace_close() function in kernel/trace/trace_functions_graph.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/099ef3385800828b74933a96c117574637c3fb3a
- https://git.kernel.org/stable/c/42561fe62c3628ea3bc9623f64f047605e98857f
- https://git.kernel.org/stable/c/70be951bc01e4a0e10d443f3510bb17426f257fb
- https://git.kernel.org/stable/c/7f81f27b1093e4895e87b74143c59c055c3b1906
- https://git.kernel.org/stable/c/81a85b12132c8ffe98f5ddbdc185481790aeaa1b
- https://git.kernel.org/stable/c/a2cce54c1748216535dda02e185d07a084be837e
- https://git.kernel.org/stable/c/c85efe6e13743cac6ba4ccf144cb91f44c86231a
- https://git.kernel.org/stable/c/de7b309139f862a44379ecd96e93c9133c69f813
- https://git.kernel.org/stable/c/f14752d66056d0c7bffe5092130409417d3baa70
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11