Description: Remote Page Deduplication Attacks
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=1931327
 https://arxiv.org/pdf/2111.08553.pdf
Notes:
 carnil> As per 2022-04-02 not yet much details on the Red Hat bugzila
 carnil> entry. Asked for some details.
 bwh> This really sounds like "KSM has timing side-channels", which is
 bwh> an inherent problem and can only be fixed by not using it.
Bugs:
upstream: ignored "inherent problem and can only be fixed by not using KSM"
5.10-upstream-stable: ignored "inherent problem and can only be fixed by not using KSM"
4.19-upstream-stable: ignored "inherent problem and can only be fixed by not using KSM"
4.9-upstream-stable: ignored "inherent problem and can only be fixed by not using KSM"
sid: ignored "inherent problem and can only be fixed by not using KSM"
5.10-bullseye-security: ignored "inherent problem and can only be fixed by not using KSM"
4.19-buster-security: ignored "inherent problem and can only be fixed by not using KSM"
4.9-stretch-security: ignored "inherent problem and can only be fixed by not using KSM"