CVE-2016-9846

QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.
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
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
VendorProductVersion
qemuqemu
𝑥
≤ 2.7.1
qemuqemu
2.8.0:rc0
qemuqemu
2.8.0:rc1
qemuqemu
2.8.0:rc2
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
zesty
not-affected
yakkety
Fixed 1:2.6.1+dfsg-0ubuntu5.4
released
xenial
Fixed 1:2.5+dfsg-5ubuntu10.11
released
trusty
not-affected
precise
dne
qemu-kvm
zesty
dne
yakkety
dne
xenial
dne
trusty
dne
precise
not-affected
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2016/12/05/18
http://www.openwall.com/lists/oss-security/2016/12/05/23
http://www.securityfocus.com/bid/94765
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html
https://security.gentoo.org/glsa/201701-49
http://www.openwall.com/lists/oss-security/2016/12/05/18
http://www.openwall.com/lists/oss-security/2016/12/05/23
http://www.securityfocus.com/bid/94765
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html
https://security.gentoo.org/glsa/201701-49