CVE-2023-3390 Use-after-free in Linux kernel's netfilter subsystem

A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nftablesapi.c. Mishandled error handling with NFTMSGNEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vulnerability. This flaw allows a local...