CVE-2022-3643 – Ubuntu Security Notice USN-5863-1

https://notcve.org/view.php?id=CVE-2022-3643

07 Dec 2022 — Guests can trigger NIC interface reset/abort/crash via netback It is possible for a guest to trigger a NIC interface reset/abort/crash in a Linux based network backend by sending certain kinds of packets. It appears to be an (unwritten?) assumption in the rest of the Linux network stack that packet protocol headers are all contained within the linear section of the SKB and some NICs behave badly if this is not the case. This has been reported to occur with Cisco (enic) and Broadcom NetXtrem II BCM5780 (bnx2... • http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') •