CVE-2017-14319

NameCVE-2017-14319
DescriptionA grant unmapping issue was discovered in Xen through 4.9.x. When removing or replacing a grant mapping, the x86 PV specific path needs to make sure page table entries remain in sync with other accounting done. Although the identity of the page frame was validated correctly, neither the presence of the mapping nor page writability were taken into account.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1132-1
NVD severityhigh (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)wheezy4.1.4-3+deb7u9vulnerable
wheezy (security)4.1.6.lts1-9fixed
jessie4.4.1-9+deb8u9vulnerable
jessie (security)4.4.1-9+deb8u10vulnerable
buster, sid, stretch (security), stretch4.8.1-1+deb9u3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensource(unstable)(unfixed)high
xensourcewheezy4.1.6.lts1-9highDLA-1132-1

Notes

https://xenbits.xen.org/xsa/advisory-234.html

Search for package or bug name: Reporting problems