In the Linux kernel, the following vulnerability has been resolved: net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode When u32_replace_hw_knode fails, we need to undo the tcf_bind_filter operation done at u32_set_parms.
https://git.kernel.org/stable/c/a9345793469b65ee5ba7b033239916c2a67d3dd4
https://git.kernel.org/stable/c/9cb36faedeafb9720ac236aeae2ea57091d90a09
https://git.kernel.org/stable/c/025159ed118ba5145b241d574edadb0e00d3c20f