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Gentoo: GLSA-202005-08 Normal: Xen Privilege Escalation Threats

gentoo
Calendar Grey May 14, 2020
Dist Gentoo Esm H88
Explore various moderate severity security flaws impacting Xen on Gentoo Linux, along with steps for secure upgrades.
Multiple vulnerabilities have been found in Xen, the worst of which could allow privilege escalation.

Summary

Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory gentoo privilege escalation multiple issues normal severity hypervisor xen

Resolution

All Xen users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.12.2-r2"

References

[ 1 ] CVE-2020-11739 https://nvd.nist.gov/vuln/detail/CVE-2020-11739 [ 2 ] CVE-2020-11740 https://nvd.nist.gov/vuln/detail/CVE-2020-11740 [ 3 ] CVE-2020-11741 https://nvd.nist.gov/vuln/detail/CVE-2020-11741 [ 4 ] CVE-2020-11742 https://nvd.nist.gov/vuln/detail/CVE-2020-11742 [ 5 ] CVE-2020-11743 https://nvd.nist.gov/vuln/detail/CVE-2020-11743

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202005-08
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: Xen: Multiple vulnerabilities
Date: May 14, 2020
Bugs: #717446
ID: 202005-08

Topics%20covered

Topics Covered

security advisory gentoo privilege escalation multiple issues normal severity hypervisor xen

Synopsis

Multiple vulnerabilities have been found in Xen, the worst of which could allow privilege escalation.

Background

Xen is a bare-metal hypervisor.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/xen < 4.12.2-r2 >= 4.12.2-r2 2 app-emulation/xen-tools < 4.12.2-r2 >= 4.12.2-r2 ------------------------------------------------------------------- 2 affected packages

Impact

===== Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

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