CVE-2020-13659 Null dereference in n/a
A NULL pointer dereference in QEMU's address_space_map function allows attackers to cause a denial of service via crafted BounceBuffer operations.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-13659?
CVE-2020-13659 is a low-severity vulnerability in Canonical Ubuntu Linux, published on 2 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.
Weakness: CWE-476
Which versions are affected by CVE-2020-13659?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Leap, Qemu Qemu.
How do I fix CVE-2020-13659?
Apply the vendor's patch.
Is CVE-2020-13659 being exploited?
There is no known exploitation of CVE-2020-13659 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2020-13659, GHSA-3cvr-q9wg-jwqw, UBUNTU-CVE-2020-13659.