CVE-2013-1917

NameCVE-2013-1917
DescriptionXen 3.1 through 4.x, when running 64-bit hosts on Intel CPUs, does not clear the NT flag when using an IRET after a SYSENTER instruction, which allows PV guest users to cause a denial of service (hypervisor crash) by triggering a #GP fault, which is not properly handled by another IRET instruction.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2662-1
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)wheezy4.1.4-3+deb7u9fixed
wheezy (security)4.1.6.1-1+deb7u1fixed
jessie (security), jessie4.4.1-9+deb8u5fixed
stretch, sid4.6.0-1+nmu2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensource(unstable)4.1.4-3low
xensourcesqueeze4.0.1-5.10lowDSA-2662-1

Notes

http://lists.xen.org/archives/html/xen-announce/2013-04/msg00005.html

Search for package or bug name: Reporting problems