CVE-2020-8003 Use after free in n/a

Medium 5.5 Published Updated

Attackers can cause a denial of service in virglrenderer by triggering a double-free condition during texture allocation failures.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2020-8003?

CVE-2020-8003 is a medium-severity use after free vulnerability in Debian Debian Linux, published on 27 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A double-free vulnerability in vrend_renderer.c in virglrenderer through 0.8.1 allows attackers to cause a denial of service by triggering texture allocation failure, because vrend_renderer_resource_allocated_texture is not an appropriate place for a free.

Weakness: CWE-415

Which versions are affected by CVE-2020-8003?

It affects 2 products.

Products include Debian Debian Linux, Virglrenderer Project Virglrenderer.

How do I fix CVE-2020-8003?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2020-8003 being exploited?

There is no known exploitation of CVE-2020-8003 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2020-8003, GHSA-fjrg-jf3x-r8jr.

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