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) [4491001c2e0fa69efbb748c96ec96b100a5cdb7e]
5.10-upstream-stable: released (5.10.129) [4923217af5742a796821272ee03f8d6de15c0cca]
4.19-upstream-stable: released (4.19.251) [4b67d8e42dbba42cfafe22ac3e4117d9573fdd74]
sid: released (5.18.14-1)
5.10-bullseye-security: released (5.10.127-2) [bugfix/all/xen-netfront-force-data-bouncing-when-backend-is-unt.patch]
4.19-buster-security: released (4.19.260-1)