CVE-2019-12155 Null dereference in n/a

High 7.5 Published Updated

A NULL pointer dereference in QEMU's QXL display interface allows attackers to cause a denial of service via crafted resource release operations.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2019-12155?

CVE-2019-12155 is a high-severity vulnerability in Qemu Qemu, published on 24 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

interface_release_resource in hw/display/qxl.c in QEMU 3.1.x through 4.0.0 has a NULL pointer dereference.

Weakness: CWE-476

Which versions are affected by CVE-2019-12155?

It affects 1 product.

Linux distribution packages (20)
qemu-img Red Hat:enterprise_linux:7::clientAll versions10:1.5.3-167.el7_7.1
qemu-kvm Red Hat:enterprise_linux:7::clientAll versions10:1.5.3-167.el7_7.1
qemu-kvm-common Red Hat:enterprise_linux:7::clientAll versions10:1.5.3-167.el7_7.1
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::clientAll versions10:1.5.3-167.el7_7.1
qemu-kvm-tools Red Hat:enterprise_linux:7::clientAll versions10:1.5.3-167.el7_7.1
qemu-img Red Hat:enterprise_linux:7::computenodeAll versions10:1.5.3-167.el7_7.1
qemu-kvm Red Hat:enterprise_linux:7::computenodeAll versions10:1.5.3-167.el7_7.1
qemu-kvm-common Red Hat:enterprise_linux:7::computenodeAll versions10:1.5.3-167.el7_7.1
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::computenodeAll versions10:1.5.3-167.el7_7.1
qemu-kvm-tools Red Hat:enterprise_linux:7::computenodeAll versions10:1.5.3-167.el7_7.1
qemu-img Red Hat:enterprise_linux:7::serverAll versions10:1.5.3-167.el7_7.1
qemu-kvm Red Hat:enterprise_linux:7::serverAll versions10:1.5.3-167.el7_7.1
qemu-kvm-common Red Hat:enterprise_linux:7::serverAll versions10:1.5.3-167.el7_7.1
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::serverAll versions10:1.5.3-167.el7_7.1
qemu-kvm-tools Red Hat:enterprise_linux:7::serverAll versions10:1.5.3-167.el7_7.1
qemu-img Red Hat:enterprise_linux:7::workstationAll versions10:1.5.3-167.el7_7.1
qemu-kvm Red Hat:enterprise_linux:7::workstationAll versions10:1.5.3-167.el7_7.1
qemu-kvm-common Red Hat:enterprise_linux:7::workstationAll versions10:1.5.3-167.el7_7.1
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::workstationAll versions10:1.5.3-167.el7_7.1
qemu-kvm-tools Red Hat:enterprise_linux:7::workstationAll versions10:1.5.3-167.el7_7.1

Products include Qemu Qemu.

How do I fix CVE-2019-12155?

Apply the vendor's patch.

Is CVE-2019-12155 being exploited?

There is no known exploitation of CVE-2019-12155 in the wild and no public exploit code.

All Qemu Qemu vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-12155, GHSA-96vp-7vcr-rp4h, RHSA-2019:2607, UBUNTU-CVE-2019-12155.

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