CVE-2023-4147 Information

Description

A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.

Reference

https://access.redhat.com/security/cve/CVE-2023-4147 https://www.spinics.net/lists/stable/msg671573.html https://bugzilla.redhat.com/show_bug.cgi?id=2225239 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ebc1064e4874d5987722a2ddbc18f94aa53b211