Alerts This Week
Warning Icon 1 535
Alerts This Week
Warning Icon 1 535

Gentoo: 201705-11 Moderate: Xen Privilege Escalation and DoS Threats

gentoo
Calendar Grey May 26, 2017
Dist Gentoo Esm H88
Various security flaws in Xen may allow for privilege escalation and denial-of-service on Gentoo devices; update promptly to maintain security.
Multiple vulnerabilities have been found in Xen, the worst of which could allow for privilege escalation.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo privilege escalation Denial of Service multiple vulnerabilities Xen

Resolution

All Xen users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.7.2-r1:0"
All Xen Tools users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=app-emulation/xen-tools-4.7.2:0"
All Xen pvgrub users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=app-emulation/xen-pvgrub-4.7.2:0"

References

[ 1 ] CVE-2017-8903 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-8903 [ 2 ] CVE-2017-8904 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-8904 [ 3 ] CVE-2017-8905 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-8905

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201705-11
style>.gentoo_availability{display:block;}

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 26, 2017
Bugs: #615980
ID: 201705-11

Topics%20covered

Topics Covered

security advisory Gentoo privilege escalation Denial of Service multiple vulnerabilities Xen

Synopsis

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

Background

Xen is a bare-metal hypervisor.

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/xen < 4.7.2-r1 >= 4.7.2-r1 2 app-emulation/xen-tools < 4.7.2 >= 4.7.2 3 app-emulation/xen-pvgrub < 4.7.2 >= 4.7.2 ------------------------------------------------------------------- 3 affected packages

Impact

===== A local attacker could potentially execute arbitrary code with privileges of Xen (QEMU) process on the host, gain privileges on the host system, or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Related News

Your message here