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) [2f446ffe9d737e9a844b97887919c4fda18246e7]
5.10-upstream-stable: released (5.10.129) [cfea428030be836d79a7690968232bb7fa4410f1]
4.19-upstream-stable: released (4.19.251) [f4a1391185e30c977bfe1648435c152f806211c7]
sid: released (5.18.14-1)
5.10-bullseye-security: released (5.10.127-2) [bugfix/all/xen-blkfront-fix-leaking-data-in-shared-pages.patch]
4.19-buster-security: released (4.19.260-1)