SB20250226133 - Memory leak in Linux kernel cpufreq driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226133
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-2022-49621)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the pmac_cpufreq_init_MacRISC3() function in drivers/cpufreq/pmac32-cpufreq.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/37c16fc2cb13a13f3c0193bfc6f2edef7d7df7d7
- https://git.kernel.org/stable/c/3ea9dbf7c2f436952bca331c6f5d72f75aca224e
- https://git.kernel.org/stable/c/4513018d0bd739097570d26a7760551cba3deb56
- https://git.kernel.org/stable/c/4585890ab2dbf455d80e254d3d859d4c1e357920
- https://git.kernel.org/stable/c/4f242486bf46d314b2e3838cc64b56f008a3c4d7
- https://git.kernel.org/stable/c/57289b6601fe78c09921599b042a0b430fb420ec
- https://git.kernel.org/stable/c/8dda30f81c751b01cd71f2cfaeef26ad4393b1d1
- https://git.kernel.org/stable/c/ccd7567d4b6cf187fdfa55f003a9e461ee629e36
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.289
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.253
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.324
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.132
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.56
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.207