#VU104923 Input validation error in Linux kernel - CVE-2022-49562
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104923
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-2022-49562
CWE-ID: CWE-20
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 improper input validation within the arch/x86/kvm/mmu/paging_tmpl.h. 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/38b888911e8dc89b89d8147cfb1d2dbe6373bf78
- https://git.kernel.org/stable/c/8089e5e1d18402fb8152d6b6815450a36fffa9b0
- https://git.kernel.org/stable/c/f122dfe4476890d60b8c679128cd2259ec96a24c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19