CVE-2023-40360 Null dereference in n/a
A NULL pointer dereference in QEMU's NVMe emulation allows attackers to cause a denial of service via crafted directive receive commands.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-40360?
CVE-2023-40360 is a medium-severity vulnerability in Qemu Qemu, published on 14 Aug 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
QEMU through 8.0.4 accesses a NULL pointer in nvme_directive_receive in hw/nvme/ctrl.c because there is no check for whether an endurance group is configured before checking whether Flexible Data Placement is enabled.
Weakness: CWE-476
Which versions are affected by CVE-2023-40360?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2023-40360?
Apply the vendor's patch.
Is CVE-2023-40360 being exploited?
There is no known exploitation of CVE-2023-40360 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as BELL-CVE-2023-40360, DEBIAN-CVE-2023-40360, GHSA-gjhx-wc4x-rwwp.