CVE-2016-9921

Quick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
redhatCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 22%
VendorProductVersion
qemuqemu
𝑥
≤ 2.7.1
qemuqemu
2.8.0:rc0
qemuqemu
2.8.0:rc1
qemuqemu
2.8.0:rc2
debiandebian_linux
8.0
redhatopenstack
6.0
redhatopenstack
7.0
redhatvirtualization
4.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
qemu
bullseye
1:5.2+dfsg-11+deb11u3
fixed
bullseye (security)
1:5.2+dfsg-11+deb11u2
fixed
bookworm
1:7.2+dfsg-7+deb12u7
fixed
sid
1:9.1.1+ds-2
fixed
trixie
1:9.1.1+ds-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
qemu
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
not-affected
cosmic
not-affected
bionic
not-affected
artful
not-affected
zesty
not-affected
yakkety
Fixed 1:2.6.1+dfsg-0ubuntu5.4
released
xenial
Fixed 1:2.5+dfsg-5ubuntu10.11
released
trusty
Fixed 2.0.0+dfsg-2ubuntu1.33
released
precise
dne
qemu-kvm
hirsute
dne
groovy
dne
focal
dne
eoan
dne
disco
dne
cosmic
dne
bionic
dne
artful
dne
zesty
dne
yakkety
dne
xenial
dne
trusty
dne
precise
ignored