CVE-2016-6490

The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the descriptor buffer.
Classic Buffer Overflow
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: 23%
VendorProductVersion
qemuqemu
𝑥
≤ 2.6.2
qemuqemu
2.7.0:rc0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
qemu
bullseye
1:5.2+dfsg-11+deb11u3
fixed
jessie
not-affected
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
xenial
not-affected
wily
ignored
trusty
not-affected
precise
dne
qemu-kvm
xenial
dne
wily
dne
trusty
dne
precise
not-affected
Common Weakness Enumeration
References
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1e7aed70144b4673fc26e73062064b6724795e5f
http://www.openwall.com/lists/oss-security/2016/07/28/4
http://www.openwall.com/lists/oss-security/2016/07/28/9
https://lists.gnu.org/archive/html/qemu-devel/2016-07/msg06246.html
https://security.gentoo.org/glsa/201609-01
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1e7aed70144b4673fc26e73062064b6724795e5f
http://www.openwall.com/lists/oss-security/2016/07/28/4
http://www.openwall.com/lists/oss-security/2016/07/28/9
https://lists.gnu.org/archive/html/qemu-devel/2016-07/msg06246.html
https://security.gentoo.org/glsa/201609-01