kernel: net/sched: flower: fix filter idr initialization

A flaw was found in the Linux kernel’s networking traffic control flower classifier. The initialization of the filter IDR was moved too early in the flchange path, allowing concurrent access by multiple users while the structure was still in an inconsistent state. Under certain conditions, this...

PT-2023-34864 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.10.164 Description: A NULL-deref issue was discovered in the init error path of the EFI module. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versions...