#VU104318 Memory leak in Linux kernel - CVE-2022-49621
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104318
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2022-49621
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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