Permissions, Privileges, and Access Controls in Xen - CVE-2013-4554
Published: December 24, 2013 / Updated: August 10, 2020
Xen
Detailed vulnerability description
The vulnerability allows a remote #AU# to read and manipulate data.
Xen 3.0.3 through 4.1.x (possibly 4.1.6.1), 4.2.x (possibly 4.2.3), and 4.3.x (possibly 4.3.1) does not properly prevent access to hypercalls, which allows local guest users to gain privileges via a crafted application running in ring 1 or 2.
How to mitigate CVE-2013-4554
Sources
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00059.html
- http://rhn.redhat.com/errata/RHSA-2014-0285.html
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2013/11/26/9