CVE-2016-8667

Severity: medium (CVSS 6.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-11-04 · updated 2026-06-17
Weakness: CWE-369

Description

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.

Affected products

Debian Linux: 8.0
openSUSE Leap: 42.2
QEMU: through 2.8.1.1; 2.9.0-rc0

References

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
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
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02577.html

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