| Name | CVE-2018-12207 |
| Description | Improper invalidation for page table updates by a virtual guest operating system for multiple Intel(R) Processors may allow an authenticated user to potentially enable denial of service of the host system via local access. |
| 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 | DLA-1990-1, DSA-4564-1, DSA-4602-1 |
| NVD severity | medium |
| Debian Bugs | 947944 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | stretch | 4.9.210-1 | fixed |
| stretch (security) | 4.9.210-1+deb9u1 | fixed | |
| buster | 4.19.118-2 | fixed | |
| buster (security) | 4.19.118-2+deb10u1 | fixed | |
| bullseye, sid | 5.7.6-1 | fixed | |
| xen (PTS) | stretch (security), stretch | 4.8.5.final+shim4.10.4-1+deb9u12 | fixed |
| buster, buster (security) | 4.11.3+24-g14b62ab3e5-1~deb10u1 | fixed | |
| bullseye | 4.11.4-1 | fixed | |
| sid | 4.11.4+24-gddaaccbbab-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | (unstable) | 5.3.9-2 | |||
| linux | source | buster | 4.19.67-2+deb10u2 | DSA-4564-1 | ||
| linux | source | stretch | 4.9.189-3+deb9u2 | DSA-4564-1 | ||
| linux-4.9 | source | jessie | 4.9.189-3+deb9u2~deb8u1 | DLA-1990-1 | ||
| xen | source | (unstable) | 4.11.3+24-g14b62ab3e5-1 | 947944 | ||
| xen | source | buster | 4.11.3+24-g14b62ab3e5-1~deb10u1 | DSA-4602-1 | ||
| xen | source | jessie | (unfixed) | end-of-life | ||
| xen | source | stretch | 4.8.5.final+shim4.10.4-1+deb9u12 | DSA-4602-1 |
[jessie] - linux <ignored> (Untrusted guests are no longer supportable)
[jessie] - xen <end-of-life> (Not supported in jessie LTS)
https://software.intel.com/security-software-guidance/insights/deep-dive-machine-check-error-avoidance-page-size-change-0
https://xenbits.xen.org/xsa/advisory-304.html