CVE-2016-6833

Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.4 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 30%
VendorProductVersion
qemuqemu
𝑥
≤ 2.6.2
qemuqemu
2.7.0:rc0
qemuqemu
2.7.0:rc1
qemuqemu
2.7.0:rc2
debiandebian_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
qemu
bullseye
1:5.2+dfsg-11+deb11u3
fixed
wheezy
not-affected
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
yakkety
Fixed 1:2.6.1+dfsg-0ubuntu5.1
released
xenial
Fixed 1:2.5+dfsg-5ubuntu10.6
released
trusty
Fixed 2.0.0+dfsg-2ubuntu1.30
released
precise
dne
qemu-kvm
yakkety
dne
xenial
dne
trusty
dne
precise
not-affected
Common Weakness Enumeration
References
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8
http://www.openwall.com/lists/oss-security/2016/08/12/1
http://www.openwall.com/lists/oss-security/2016/08/18/3
http://www.securityfocus.com/bid/93255
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.html
https://security.gentoo.org/glsa/201609-01
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8
http://www.openwall.com/lists/oss-security/2016/08/12/1
http://www.openwall.com/lists/oss-security/2016/08/18/3
http://www.securityfocus.com/bid/93255
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.html
https://security.gentoo.org/glsa/201609-01