SB2025091964 - Use-after-free in Linux kernel acpi acpica driver
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091964
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-2022-50411)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the acpi_ds_call_control_method() function in drivers/acpi/acpica/dsmethod.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0462fec709d51762ba486245bc344f44cc6cfa97
- https://git.kernel.org/stable/c/2deb42c4f9776e59bee247c14af9c5e8c05ca9a6
- https://git.kernel.org/stable/c/38e251d356a01b61a86cb35213cafd7e8fe7090c
- https://git.kernel.org/stable/c/404ec60438add1afadaffaed34bb5fe4ddcadd40
- https://git.kernel.org/stable/c/5777432ebaaf797e24f059979b42df3139967163
- https://git.kernel.org/stable/c/799881db3e03b5e98fe6a900d9d7de8c7d61e7ee
- https://git.kernel.org/stable/c/9ef353c92f9d04c88de3af1a46859c1fb76db0f8
- https://git.kernel.org/stable/c/b0b83d3f3ffa96e8395c56b83d6197e184902a34
- https://git.kernel.org/stable/c/f520d181477ec29a496c0b3bbfbdb7e2606c2713
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.303