main/xen: fix various security issues

For #11400

Fixed CVEs:

- CVE-2020-11739
- CVE-2020-11740
- CVE-2020-11741
- CVE-2020-11742
- CVE-2020-11743
7 jobs for !6997 with 3.10-xen in 17 minutes and 28 seconds
detached
Status Job ID Name Coverage
  Lint
failed #97026
docker-alpine x86_64 allowed to fail
lint

00:00:19

 
  Build
passed #97031
docker-alpine ci-build aarch64
build-aarch64

00:04:33

passed #97032
docker-alpine ci-build armv7
build-armv7

00:06:31

passed #97030
docker-alpine ci-build ppc64le
build-ppc64le

00:04:21

passed #97029
docker-alpine ci-build s390x
build-s390x

00:00:24

passed #97028
docker-alpine ci-build x86
build-x86

00:00:21

passed #97027
docker-alpine ci-build x86_64
build-x86_64

00:06:32

 
Name Stage Failure
failed
lint Lint
No job log