CVE-2017-8903

NameCVE-2017-8903
DescriptionXen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-964-1, DSA-3847-1
NVD severityhigh
Debian Bugs861659

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)jessie4.4.1-9+deb8u10fixed
jessie (security)4.4.4lts5-0+deb8u1fixed
stretch, stretch (security)4.8.5.final+shim4.10.4-1+deb9u12fixed
buster, buster (security)4.11.3+24-g14b62ab3e5-1~deb10u1fixed
bullseye, sid4.11.3+24-g14b62ab3e5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensource(unstable)4.8.1-1+deb9u1861659
xensourcejessie4.4.1-9+deb8u9DSA-3847-1
xensourcewheezy4.1.6.lts1-8DLA-964-1

Notes

https://xenbits.xen.org/xsa/advisory-213.html
Search for package or bug name: Reporting problems