| Name | CVE-2018-19965 |
| Description | An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DSA-4369-1 |
| NVD severity | medium |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| xen (PTS) | jessie | 4.4.1-9+deb8u10 | vulnerable |
| jessie (security) | 4.4.4lts5-0+deb8u1 | vulnerable |
| stretch | 4.8.5+shim4.10.2+xsa282-1+deb9u11 | fixed |
| stretch (security) | 4.8.5.final+shim4.10.4-1+deb9u12 | fixed |
| buster | 4.11.1+92-g6c33308a8d-2 | fixed |
| buster (security) | 4.11.3+24-g14b62ab3e5-1~deb10u1 | fixed |
| bullseye, sid | 4.11.3+24-g14b62ab3e5-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| xen | source | (unstable) | 4.11.1-1 | | | |
| xen | source | stretch | 4.8.5+shim4.10.2+xsa282-1+deb9u11 | | DSA-4369-1 | |
Notes
[jessie] - xen <ignored> (Depends on fix for CVE-2017-5715, CVE-2017-5753, CVE-2017-5754)
https://xenbits.xen.org/xsa/advisory-279.txt