CVE-2026-46091 media: rc: igorplugusb: heed coherency rules
A Linux kernel USB driver bug violates DMA coherency rules, potentially causing undefined behavior or instability in the igorplugusb remote control driver.
- 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-2026-46091?
CVE-2026-46091 is a medium-severity vulnerability in Linux kernel, published on 27 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:
media: rc: igorplugusb: heed coherency rules
In a control request, the USB request structure can be subject to DMA on some HCs. Hence it must obey the rules for DMA coherency. Allocate it separately.
Which versions are affected by CVE-2026-46091?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-46091?
Apply the vendor's patch.
Is CVE-2026-46091 being exploited?
There is no known exploitation of CVE-2026-46091 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-88764, BELL-CVE-2026-46091, DEBIAN-CVE-2026-46091, GHSA-gmw8-8fgq-33v2, ROOT-OS-DEBIAN-11-CVE-2026-46091, ROOT-OS-DEBIAN-12-CVE-2026-46091 and 3 more.