SB2025022720 - Input validation error in Linux kernel kvm mmu
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022720
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) Input validation error (CVE-ID: CVE-2022-49562)
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.
References
- 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