SB20250226148 - Memory leak in Linux kernel devfreq event driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226148
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-2022-49668)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the of_get_devfreq_events() function in drivers/devfreq/event/exynos-ppmu.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/01121e39ef537289926ae6f5374dce92c796d863
- https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c
- https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8
- https://git.kernel.org/stable/c/e65027fdebbacd40595e96ef7b5d2418f71bddf2
- https://git.kernel.org/stable/c/f44b799603a9b5d2e375b0b2d54dd0b791eddfc2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.129
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.53
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.204