CVE-2018-5683

NameCVE-2018-5683
DescriptionThe vga_draw_text function in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging improper memory address validation.
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-1497-1, DSA-4213-1
NVD severitylow (attack range: local)
Debian Bugs887392

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)jessie1:2.1+dfsg-12+deb8u6vulnerable
jessie (security)1:2.1+dfsg-12+deb8u7fixed
stretch (security), stretch1:2.8+dfsg-6+deb9u4fixed
buster, sid1:2.12+dfsg-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)1:2.12~rc3+dfsg-1low887392
qemusourcejessie1:2.1+dfsg-12+deb8u7lowDLA-1497-1
qemusourcestretch1:2.8+dfsg-6+deb9u4lowDSA-4213-1
qemu-kvmsource(unstable)(unfixed)low

Notes

[wheezy] - qemu <postponed> (Minor issue, can be fixed along in next DLA)
[wheezy] - qemu-kvm <postponed> (Minor issue, can be fixed along in next DLA)
https://lists.gnu.org/archive/html/qemu-devel/2018-01/msg02131.html

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