CVE-2021-47397 | Linux Kernel up to 5.14.9 sctp net/sctp/input.c skb_header_pointer null pointer dereference

A vulnerability identified as critical has been detected in Linux Kernel up to 4.14.248/4.19.208/5.4.150/5.10.70/5.14.9. This vulnerability affects the function skb_header_pointer of the file net/sctp/input.c of the component sctp. This manipulation causes null pointer dereference. This vulnerability is tracked as CVE-2021-47397. The attack is only possible within the local network. No exploit exists. You should upgrade the affected component.