A xen security update has been released for Debian GNU/Linux 10 to address multiple vulnerabilities.
DSA 5017-1: xen security update
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Debian Security Advisory DSA-5017-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
December 05, 2021 https://www.debian.org/security/faq
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Package : xen
CVE ID : CVE-2021-28704 CVE-2021-28705 CVE-2021-28706
CVE-2021-28707 CVE-2021-28708 CVE-2021-28709
Multiple vulnerabilities have been discovered in the Xen hypervisor,
which could result in privilege escalation, denial of service or
information leaks.
For the stable distribution (bullseye), these problems have been fixed in
version 4.14.3+32-g9de3671772-1~deb11u1.
We recommend that you upgrade your xen packages.
For the detailed security status of xen please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/xen
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
