CVE-2026-46314 drm/v3d: Reject empty multisync extension to prevent infinite loop

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Reject empty multisync extension to prevent infinite loop v3dgetextensions walks a userspace-provided singly-linked list of ioctl extensions without any bound on the chain length. A local user can craft a self-referentia...

PT-2026-47385

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A local user can cause an infinite loop in the kernel context by crafting a self-referential extension where ext-next == &ext with zero in sync count and out sync count. This occurs...