CVE-2023-4569 Information

Description

A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause a double-deactivations of catchall elements which results in a memory leak.

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=2235470 https://patchwork.ozlabs.org/project/netfilter-devel/patch/20230812110526.49808-1-fw@strlen.de/ https://access.redhat.com/security/cve/CVE-2023-4569