CVE-2018-12207

NameCVE-2018-12207
DescriptionImproper 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.
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-1990-1, DSA-4564-1, DSA-4602-1
NVD severitymedium
Debian Bugs947944

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1fixed
stretch (security)4.9.240-2fixed
buster4.19.146-1fixed
buster (security)4.19.152-1fixed
bullseye, sid5.9.11-1fixed
xen (PTS)stretch (security), stretch4.8.5.final+shim4.10.4-1+deb9u12fixed
buster4.11.4+24-gddaaccbbab-1~deb10u1fixed
buster (security)4.11.4+37-g3263f257ca-1fixed
bullseye, sid4.14.0+80-gd101b417b7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch4.9.189-3+deb9u2DSA-4564-1
linuxsourcebuster4.19.67-2+deb10u2DSA-4564-1
linuxsource(unstable)5.3.9-2
linux-4.9sourcejessie4.9.189-3+deb9u2~deb8u1DLA-1990-1
xensourcejessie(unfixed)end-of-life
xensourcestretch4.8.5.final+shim4.10.4-1+deb9u12DSA-4602-1
xensourcebuster4.11.3+24-g14b62ab3e5-1~deb10u1DSA-4602-1
xensource(unstable)4.11.3+24-g14b62ab3e5-1947944

Notes

[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

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