CVE-2026-99177

In the Linux kernel, the following vulnerability has been resolved:

KVM: SEV: Fix page dirtying in sev gmem post populate()

set page dirty() requires that the caller holds some kind of lock to ensure that the page's mapping does not concurrently go away. That is not the case for a random page we got from get user pages fast(), so use set page dirty lock().

[sean: tag for stable]