CVE-2020-8003 Use after free in n/a
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.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2020-8003, GHSA-fjrg-jf3x-r8jr.