SB2025022654 - Memory leak in Linux kernel firmware driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022654
CSH 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 vulnerability.
1) Memory leak (CVE-ID: CVE-2022-49283)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the sysfb_create_simplefb() function in drivers/firmware/sysfb_simplefb.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/202c08914ba50dd324e42d5ad99535a89f242560
- https://git.kernel.org/stable/c/b3e38f939ab4d0d86f56bff3362c3f88c4b2ad32
- https://git.kernel.org/stable/c/bb7fcbe80a013dc883181dc818c407d38558f76c
- https://git.kernel.org/stable/c/fed4df558b8cdb6f3beea38a7c977f118f082b0d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2