Gentoo: GLSA-201705-11: Xen: Multiple vulnerabilities
Summary
Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers and Xen Security Advisory referenced below for details.
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
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 could allow for privilege escalation.
Background
Xen is a bare-metal hypervisor.
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.