CVE-2017-10921

NameCVE-2017-10921
DescriptionThe grant-table feature in Xen through 4.8.x does not ensure sufficient type counts for a GNTMAP_device_map and GNTMAP_host_map mapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 2.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1132-1, DSA-3969-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)buster, buster (security)4.11.4+107-gef32c7afa2-1fixed
bullseye, bullseye (security)4.14.5+94-ge49571868d-1fixed
bookworm4.17.1+2-gb773c48e36-1fixed
sid, trixie4.17.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensourcewheezy4.1.6.lts1-9DLA-1132-1
xensourcejessie4.4.1-9+deb8u10DSA-3969-1
xensourcestretch4.8.1-1+deb9u3DSA-3969-1
xensource(unstable)4.8.1-1+deb9u3

Notes

https://xenbits.xen.org/xsa/advisory-224.html

Search for package or bug name: Reporting problems