SB20250226203 - Memory leak in Linux kernel memstick core driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226203
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-2022-49178)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/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 mspro_block_bd_open() and mspro_block_init_disk() functions in drivers/memstick/core/mspro_block.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/057b53c4f87690d626203acef8b63d52a9bf2f43
- https://git.kernel.org/stable/c/6a0725b9d78ff6efdc95a37e4f05072e79c63918
- https://git.kernel.org/stable/c/6dab421bfe06a59bf8f212a72e34673e8acf2018
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18