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CVE-2019-12155

27
FAUCET Score

CVE-2019-12155 describes a NULL pointer dereference vulnerability in the QXL display device within QEMU versions 3.1.x through 4.0.0, specifically in the interface_release_resource function. This flaw carries a CVSSv3 score of 7.5 (HIGH), indicating that an unauthenticated attacker could remotely trigger a denial-of-service condition with low attack complexity. There is currently no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:4.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.55%
Probability of exploitation in next 30 days
EPSS Percentile
92.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0555 is in the 86th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (16)

redhatpatch availablevia redhat_api
Product: Advanced Virtualization for RHEL 8.1.0Fixed in: virt:8.1-8010020190927171011.cdc1202b
View patch
redhatpatch availablevia redhat_api
Product: Advanced Virtualization for RHEL 8.1.0Fixed in: virt-devel:8.1-8010020190927171011.cdc1202b
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qemu-kvm-2:0.12.1.2-2.506.el6_10.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: qemu-kvm-10:1.5.3-167.el7_7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: virt-devel:rhel-8010020190916153839.cdc1202b
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: virt:rhel-8010020190916153839.cdc1202b
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 10.0 (Newton)Fixed in: qemu-kvm-rhev-10:2.12.0-33.el7_7.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 13.0 (Queens)Fixed in: qemu-kvm-rhev-10:2.12.0-33.el7_7.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 14.0 (Rocky)Fixed in: qemu-kvm-rhev-10:2.12.0-33.el7_7.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: qemu-kvm-rhev-10:2.12.0-33.el7_7.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: qemu-kvm-rhev-10:2.12.0-44.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization Engine 4.3Fixed in: qemu-kvm-rhev-10:2.12.0-33.el7_7.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization Engine 4.3Fixed in: qemu-kvm-rhev-10:2.12.0-44.el7
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenStack Platform 9 (Mitaka)Fixed in: qemu-kvm-rhev
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8 Advanced VirtualizationFixed in: qemu-kvm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kvm

Vendor Advisories (1)

redhatCVE-2019-12155Low

QEMU: qxl: null pointer dereference while releasing spice resources

Apr 25, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-09/msg00000.html
lists.opensuse.org / opensuse-security-announce/2019-09/msg00008.html
access.redhat.com / errata/RHBA-2019:3723
access.redhat.com / errata/RHSA-2019:2607
access.redhat.com / errata/RHSA-2019:2892
access.redhat.com / errata/RHSA-2019:3179
access.redhat.com / errata/RHSA-2019:3345
access.redhat.com / errata/RHSA-2019:3742
access.redhat.com / errata/RHSA-2019:3787
access.redhat.com / errata/RHSA-2019:4344
git.qemu.org
lists.debian.org / debian-lts-announce/2019/09/msg00021.html
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIHAF2ZQU3FS
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL
lists.gnu.org / archive/html/qemu-devel/2019-05/msg01321.html
Mailing ListPatchThird Party Advisory
seclists.org / bugtraq/2019/May/76
usn.ubuntu.com / 4191-1
usn.ubuntu.com / 4191-2
debian.org / security/2019/dsa-4454
openwall.com / lists/oss-security/2019/05/22/1
ExploitMailing ListThird Party Advisory