CVE-2016-3712

NameCVE-2016-3712
DescriptionInteger overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) by editing VGA registers in VBE mode.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDLA-539-1, DLA-540-1, DLA-571-1, DSA-3573-1
Debian Bugs823830

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)buster1:3.1+dfsg-8+deb10u8fixed
buster (security)1:3.1+dfsg-8+deb10u9fixed
bullseye (security), bullseye1:5.2+dfsg-11+deb11u2fixed
bookworm, sid1:7.1+dfsg-2fixed
xen (PTS)buster, buster (security)4.11.4+107-gef32c7afa2-1fixed
bullseye4.14.5+24-g87d90d511c-1fixed
bullseye (security)4.14.5+86-g1c354767d5-1fixed
bookworm, sid4.16.2+90-g0d39a6d1ae-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcewheezy1.1.2+dfsg-6a+deb7u13DLA-540-1
qemusourcejessie1:2.1+dfsg-12+deb8u6DSA-3573-1
qemusource(unstable)1:2.6+dfsg-1823830
qemu-kvmsourcewheezy1.1.2+dfsg-6+deb7u13DLA-539-1
qemu-kvmsource(unstable)(unfixed)
xensourcewheezy4.1.6.lts1-1DLA-571-1
xensource(unstable)4.4.0-1

Notes

[wheezy] - xen <no-dsa> (default configuration not vulnerable)
Xen switched to qemu-system in 4.4.0-1
http://xenbits.xen.org/xsa/advisory-179.html
mitigation: run HVM in stubdomains, PV, default video card not vulnerable, i386-only

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