Divide By Zero Affecting qemu package, versions <1:2.8+dfsg-4
Snyk CVSS
Attack Complexity
Low
Privileges Required
High
Scope
Changed
Availability
High
Threat Intelligence
EPSS
0.06% (26th
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-QEMU-427054
- published 4 Nov 2016
- disclosed 4 Nov 2016
Introduced: 4 Nov 2016
CVE-2016-8667 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
qemu
to version 1:2.8+dfsg-4 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu
package and not the qemu
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
The rc4030_write function in hw/dma/rc4030.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via a large interval timer reload value.
References
- https://security-tracker.debian.org/tracker/CVE-2016-8667
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02577.html
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- http://www.openwall.com/lists/oss-security/2016/10/14/6
- http://www.openwall.com/lists/oss-security/2016/10/15/4
- http://www.securityfocus.com/bid/93567
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-8667