| Name | CVE-2016-6258 |
| Description | The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-571-1, DSA-3633-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| xen (PTS) | buster, buster (security) | 4.11.4+107-gef32c7afa2-1 | fixed |
| bullseye | 4.14.6-1 | fixed |
| bullseye (security) | 4.14.5+94-ge49571868d-1 | fixed |
| bookworm | 4.17.3+10-g091466ba55-1~deb12u1 | fixed |
| trixie | 4.17.3+10-g091466ba55-1 | fixed |
| sid | 4.17.3+36-g54dacb5c02-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| xen | source | wheezy | 4.1.6.lts1-1 | | DLA-571-1 | |
| xen | source | jessie | 4.4.1-9+deb8u6 | | DSA-3633-1 | |
| xen | source | (unstable) | 4.8.0~rc3-1 | | | |
Notes
http://xenbits.xen.org/xsa/advisory-182.html