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)jessie3.16.56-1+deb8u1vulnerable
jessie (security)3.16.81-1vulnerable
stretch4.9.189-3vulnerable
stretch (security)4.9.189-3+deb9u2fixed
buster4.19.67-2+deb10u1vulnerable
buster (security)4.19.67-2+deb10u2fixed
bullseye, sid5.4.13-1fixed
linux-4.9 (PTS)jessie (security)4.9.189-3+deb9u2~deb8u1fixed
xen (PTS)jessie4.4.1-9+deb8u10vulnerable
jessie (security)4.4.4lts5-0+deb8u1vulnerable
stretch4.8.5+shim4.10.2+xsa282-1+deb9u11vulnerable
stretch (security)4.8.5.final+shim4.10.4-1+deb9u12fixed
buster4.11.1+92-g6c33308a8d-2vulnerable
buster (security)4.11.3+24-g14b62ab3e5-1~deb10u1fixed
bullseye, sid4.11.3+24-g14b62ab3e5-1fixed

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

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

Notes

[jessie] - linux <ignored> (Untrusted guests are no longer supportable)
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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