Description: Xen Linux disk/nic frontends data leaks
References:
 https://xenbits.xen.org/xsa/advisory-403.html
Notes:
 carnil> For 5.18.y fixed as well in 5.18.10.
Bugs:
upstream: released (5.19-rc6) [2400617da7eebf9167d71a46122828bc479d64c9]
5.10-upstream-stable: released (5.10.129) [cbbd2d2531539212ff090aecbea9877c996e6ce6]
4.19-upstream-stable: released (4.19.251) [981de55fb6b5253fa7ae345827c6c3ca77912e5c]
sid: released (5.18.14-1)
5.10-bullseye-security: released (5.10.127-2) [bugfix/all/xen-blkfront-force-data-bouncing-when-backend-is-unt.patch]
4.19-buster-security: released (4.19.260-1)