CVE-2019-17343

NameCVE-2019-17343
DescriptionAn issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging incorrect use of the HVM physmap concept for PV domains.
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-1949-1
NVD severitymedium (attack range: local)
Debian Bugs929994

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)jessie4.4.1-9+deb8u10vulnerable
jessie (security)4.4.4lts5-0+deb8u1fixed
stretch, stretch (security)4.8.5+shim4.10.2+xsa282-1+deb9u11vulnerable
bullseye, sid, buster4.11.1+92-g6c33308a8d-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensource(unstable)4.11.1+92-g6c33308a8d-1medium929994
xensourcejessie4.4.4lts5-0+deb8u1mediumDLA-1949-1

Notes

https://xenbits.xen.org/xsa/advisory-288.html

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