A xen security update has been released for Debian GNU/Linux 10 to address multiple vulnerabilities.
DSA 4804-1: xen security update
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Debian Security Advisory DSA-4804-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
December 04, 2020 https://www.debian.org/security/faq
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Package : xen
CVE ID : CVE-2020-27670 CVE-2020-27671 CVE-2020-27672 CVE-2020-27674
CVE-2020-28368
Multiple vulnerabilities have been discovered in the Xen hypervisor,
which could result in denial of service, privilege escalation or
information leaks.
For the stable distribution (buster), these problems have been fixed in
version 4.11.4+57-g41a822c392-1.
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/
