#VU104308 Memory leak in Linux kernel - CVE-2022-49546
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104308
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-2022-49546
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 machine_kexec() function in arch/x86/kernel/machine_kexec_64.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/115ee42a4c2f26ba2b4ace2668a3f004621f6833
- https://git.kernel.org/stable/c/8765a423a87d74ef24ea02b43b2728fe4039f248
- https://git.kernel.org/stable/c/b3e34a47f98974d0844444c5121aaff123004e57
- https://git.kernel.org/stable/c/f675e3a9189d84a9324ab45b0cb19906c2bc8fcb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3