CVE-2012-3432

NameCVE-2012-3432
DescriptionThe handle_mmio function in arch/x86/hvm/io.c in the MMIO operations emulator for Xen 3.3 and 4.x, when running an HVM guest, does not properly reset certain state information between emulation cycles, which allows local guest OS users to cause a denial of service (guest OS crash) via unspecified operations on MMIO regions.
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)
ReferencesDSA-2531-1
NVD severitylow
Debian Bugs683279

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
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
xensourcesqueeze4.0.1-5.3DSA-2531-1
xensource(unstable)4.1.3-1683279

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