CVE-2016-8667 — Divide By Zero in Qemu

CWE-369 — Divide By Zero10 documents7 sources
Severity
6.0MEDIUMNVD
OSV5.5
EPSS
0.1%
top 77.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
QemuDebian QemuDebian Linux+1 more
Timeline
PublishedNov 4
Latest updateMay 13

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:HExploitability: 1.5 | Impact: 4.0

Affected Packages5 packages

▶debiandebian/qemu< qemu 1:2.8+dfsg-4 (bookworm)
▶Debianqemu/qemu< 1:2.8+dfsg-4+3
▶Ubuntuqemu/qemu< 2.0.0+dfsg-2ubuntu1.33+1
▶NVDqemu/qemu2.8.1.1+1
▶NVDopensuse/leap42.2

Also affects: Debian Linux 8.0

Patches

Patch: lists.gnu.org ↗Patch: lists.gnu.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-5v8x-87gj-gvxw: The rc4030_write function in hw/dma/rc4030↗2022-05-13
▶
OSV
qemu vulnerabilities↗2017-04-20
▶
OSV
CVE-2016-8667: The rc4030_write function in hw/dma/rc4030↗2016-11-04
▶

📋Vendor Advisories

4
Ubuntu
QEMU vulnerabilities↗2017-04-25
▶
Ubuntu
QEMU vulnerabilities↗2017-04-20
▶
Red Hat
Qemu: hw: dma: divide by zero error in set_next_tick↗2016-10-12
▶
Debian
CVE-2016-8667: qemu - The rc4030_write function in hw/dma/rc4030.c in QEMU (aka Quick Emulator) allows...↗2016
▶

💬Community

2
Bugzilla
CVE-2016-8667 Qemu: hw: dma: divide by zero error in set_next_tick↗2016-10-14
▶
Bugzilla
CVE-2016-8667 Qemu: hw: dma: divide by zero error in set_next_tick [fedora-all]↗2016-10-14
▶