SB20250226566 - Double free in Linux kernel md driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226566
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Double free (CVE-ID: CVE-2022-49384)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the md_free() and md_stop() functions in drivers/md/md.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/36a2fc44c574a59ee3b5e2cb327182f227b2b07e
- https://git.kernel.org/stable/c/42b805af102471f53e3c7867b8c2b502ea4eef7e
- https://git.kernel.org/stable/c/ea7d7bd90079d96f9c86bdaf0b106e0cd2a70661
- https://git.kernel.org/stable/c/f99d5b5dc8a42c807b5f1176b925aa45d61962ab
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.14