CVE-2026-46205 staging: media: atomisp: Disallow all private IOCTLs
Local attackers can exploit unsafe private IOCTLs in the atomisp media driver to potentially escalate privileges or execute code.
- 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-2026-46205?
CVE-2026-46205 is a high-severity missing authorization vulnerability in Linux kernel, published on 28 May 2026. 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:
staging: media: atomisp: Disallow all private IOCTLs
Disallow all private IOCTLs. These aren't quite as safe as one could assume of IOCTL handlers; disable them for now. Instead of removing the code, return in the beginning of the function if cmd is non-zero in order to keep static checkers happy.
Which versions are affected by CVE-2026-46205?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-46205?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-46205 being exploited?
There is no known exploitation of CVE-2026-46205 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-88830, BELL-CVE-2026-46205, DEBIAN-CVE-2026-46205, GHSA-qv25-8qcj-cc95, ROOT-OS-DEBIAN-11-CVE-2026-46205, ROOT-OS-DEBIAN-12-CVE-2026-46205 and 3 more.