CVE-2026-46091: media: rc: igorplugusb: heed coherency rules
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.141.1-1
Event History
Frequently Asked Questions
What is the severity of CVE-2026-46091?
The severity of CVE-2026-46091 is rated at risk level 17.
What software is affected by CVE-2026-46091?
CVE-2026-46091 affects the Linux kernel, specifically in the media: rc: igorplugusb component.
How do I fix CVE-2026-46091?
To fix CVE-2026-46091, ensure that the USB request structure adheres to the DMA coherency rules and is allocated separately.
What impact does CVE-2026-46091 have on the Linux kernel?
CVE-2026-46091 can lead to improper handling of DMA requests which may cause instability or security issues in the Linux kernel.
When was CVE-2026-46091 published?
CVE-2026-46091 was published on May 27, 2026.