Gentoo: GLSA-201611-09: Xen: Multiple vulnerabilities
Summary
Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below for details.
Resolution
All Xen users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/xen-4.6.3-r3"
All Xen tools users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot -v ">=app-emulation/xen-tools-4.6.3-r2
References
[ 1 ] CVE-2016-6258 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6258 [ 2 ] CVE-2016-7092 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7092 [ 3 ] CVE-2016-7093 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7093 [ 4 ] CVE-2016-7094 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7094 [ 5 ] CVE-2016-7777 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7777
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201611-09
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.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
Multiple vulnerabilities have been found in Xen, the worst of which allows gaining of privileges on the host system.
Background
Xen is a bare-metal hypervisor.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/xen < 4.6.3-r3 >= 4.6.3-r3 2 app-emulation/xen-tools < 4.6.3-r2 >= 4.6.3-r2 ------------------------------------------------------------------- 2 affected packages
Impact
===== A malicious guest administrator could escalate their privileges on the host system or cause a Denial of Service. Additionally, a malicious unprivileged guest user may be able to obtain or corrupt sensitive information (including cryptographic material) in other programs in the same guest.
Workaround
There is no known workaround at this time.