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Debian: DSA-5017-1 High Risk: Xen Hypervisor Privilege Escalation and DoS

debian
Calendar Grey December 5, 2021
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Security vulnerabilities in the Xen hypervisor have been discovered, posing risks of privilege escalation, denial of service, and data leaks. Upgrading is recommended
Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in privilege escalation, denial of service or information leaks
Topics%20covered

Topics Covered

security advisory denial of service information leak privilege escalation Debian Xen hypervisor

Summary

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/source-package/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/



Severity
important
Lowest
Low
Medium
High
Critical

Package: xen
CVE ID: CVE-2021-28704 CVE-2021-28705 CVE-2021-28706

Topics%20covered

Topics Covered

security advisory denial of service information leak privilege escalation Debian Xen hypervisor

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