SB2025050246 - Memory leak in Linux kernel block
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050246
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) Memory leak (CVE-ID: CVE-2022-49902)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the bdi_unregister() function in block/genhd.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/4e68c5da60cd79950bd56287ae80b39d6261f995
- https://git.kernel.org/stable/c/528677d3b4af985445bd4ac667485ded1ed11220
- https://git.kernel.org/stable/c/fa81cbafbf5764ad5053512152345fab37a1fe18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.78
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1