CVE-2013-2016

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-12-30 · updated 2026-06-16
Weakness: CWE-269

Description

A 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.

Affected products

Debian Linux: 8.0, 9.0, 10.0
Novell Open Desktop Server: 11.0-sp3
Micro Focus International Open Enterprise Server: 11.0-sp3
QEMU: from 1.3.0 through 1.4.2; 1.5.0-rc1

References

http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00002.html
http://www.openwall.com/lists/oss-security/2013/04/29/5
http://www.openwall.com/lists/oss-security/2013/04/29/6
http://www.securityfocus.com/bid/59541
https://access.redhat.com/security/cve/cve-2013-2016
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-2016
https://exchange.xforce.ibmcloud.com/vulnerabilities/83850
https://github.com/qemu/qemu/commit/5f5a1318653c08e435cfa52f60b6a712815b659d
https://security-tracker.debian.org/tracker/CVE-2013-2016
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00002.html
http://www.openwall.com/lists/oss-security/2013/04/29/5
http://www.openwall.com/lists/oss-security/2013/04/29/6

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