CVE-2019-18389 Memory corruption in n/a

What is CVE-2019-18389?

CVE-2019-18389 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 23 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.

Weakness: CWE-787

Which versions are affected by CVE-2019-18389?

It affects 4 products.

Products include Debian Debian Linux, Opensuse Leap, Redhat Enterprise Linux, Virglrenderer Project Virglrenderer.

How do I fix CVE-2019-18389?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-18389 being exploited?

There is no known exploitation of CVE-2019-18389 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2019-18389, DEBIAN-CVE-2019-18389, GHSA-cgwm-cj7v-x3cq, UBUNTU-CVE-2019-18389.