In __pkvm_pages_to_ppages of mmu.c, there is a possible out-of-bounds write due to a race condition

What to know

What it is

In __pkvm_pages_to_ppages of mmu.c, there is a possible out-of-bounds write due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected

See advisory

Fix

Apply the vendor's security update; see the linked advisory.

Exploitation

No known exploitation