CVE-2025-38182 ublk: santizize the arguments from userspace when adding a device
A missing sanity check in the Linux kernel ublk driver allows local users to cause a denial of service by providing invalid queue parameters.
- 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-2025-38182?
CVE-2025-38182 is a high-severity vulnerability in Linux kernel, published on 4 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
ublk: santizize the arguments from userspace when adding a device
Sanity check the values for queue depth and number of queues we get from userspace when adding a device.
Which versions are affected by CVE-2025-38182?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-38182?
Apply the vendor's patch.
Is CVE-2025-38182 being exploited?
There is no known exploitation of CVE-2025-38182 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-64731, BELL-CVE-2025-38182, DEBIAN-CVE-2025-38182, GHSA-36f4-q472-7gfx, ROOT-OS-DEBIAN-12-CVE-2025-38182, ROOT-OS-UBUNTU-2404-CVE-2025-38182 and 1 more.