CVE-2013-2016

NameCVE-2013-2016
DescriptionA flaw was found in the way qemu v1.3.0 and later (virtio-rng) validates addresses when guest accesses the config space of a virtio device. If the virtio device has zero/small sized config space, such as virtio-rng, a privileged guest user could use this flaw to access the matching host's qemu address space and thus increase their privileges on the host.
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)
NVD severitymedium
Debian Bugs710822

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)stretch1:2.8+dfsg-6+deb9u9fixed
stretch (security)1:2.8+dfsg-6+deb9u12fixed
buster, buster (security)1:3.1+dfsg-8+deb10u8fixed
bullseye, sid1:5.1+dfsg-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcesqueeze(not affected)
qemusourcewheezy(not affected)
qemusourcejessie(not affected)
qemusource(unstable)1.5.0+dfsg-1710822
qemu-kvmsource(unstable)(not affected)

Notes

[jessie] - qemu <not-affected> (vulnerability introduced in 1.3.0)
[wheezy] - qemu <not-affected> (vulnerability introduced in 1.3.0)
[squeeze] - qemu <not-affected> (vulnerability introduced in 1.3.0)
- qemu-kvm <not-affected> (vulnerability introduced in 1.3.0)
https://lists.gnu.org/archive/html/qemu-devel/2013-04/msg05013.html
https://lists.gnu.org/archive/html/qemu-devel/2013-04/msg05254.html
http://marc.info/?l=oss-security&m=136722323931507&w=2
Only pratically affects virtio-rng according to oss-reference (and if mmap_min_addr = 0)

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