Remote No

Type Privilege escalation

Description

An issue was discovered in the Linux KVM· through Improper handling of VM_IO|VM_PFNMAP, vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of memory and can result in local privilege escalation.

AVG-1881 linux-hardened 5.12.6.hardened1-1 Medium Vulnerable

AVG-1880 linux-zen 5.12.6.zen1-1 Medium Vulnerable

AVG-1879 linux 5.12.6.arch4-1 Medium Vulnerable

AVG-1741 linux-lts 5.10.39-1 Medium Vulnerable

https://github.com/google/security-research/security/advisories/GHSA-7wq5-phmq-m584