CVE-2019-12155 Null dereference in n/a
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::client | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm-common Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm-tools Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-167.el7_7.1 |
qemu-img Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm-common Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm-tools Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-167.el7_7.1 |
qemu-img Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm-common Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm-tools Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-167.el7_7.1 |
qemu-img Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm-common Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-167.el7_7.1 |
qemu-kvm-tools Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-167.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.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2019-12155, GHSA-96vp-7vcr-rp4h, RHSA-2019:2607, UBUNTU-CVE-2019-12155.