SB20250226245 - Use-after-free in Linux kernel md driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226245
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-2022-49400)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the free_conf() function in drivers/md/raid0.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0f2571ad7a30ff6b33cde142439f9378669f8b4f
- https://git.kernel.org/stable/c/7da3454a65f8a56e65dfb44fa0ccac08cbc2f5a1
- https://git.kernel.org/stable/c/b7a51df785031cc49caf1c59766ca89cfa97b54b
- https://git.kernel.org/stable/c/f63fd1e0e0fc158023cc67ea6a07e278019061ba
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.46