CVE-2026-74691

CVE-2026-74691 is a teardown ordering bug in the Linux kernel Thunderbolt network driver (net: thunderbolt / tbnet). The driver stops its DMA rings and frees frame buffers before deactivating the high-speed DMA paths, but the setup path was previously fixed to enable paths last. Teardown was neve...

PT-2026-79696

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.17 Description An issue exists in the thunderbolt network driver where the teardown sequence is performed in the incorrect order. The tbnet tear down function stops the rings and frees frame buffers before...