CVE-2023-6622: Fedoraproject Fedora

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.

Affected products

  • Fedoraproject Fedora: version 38 only; version 39 only
  • Linux Linux Kernel: from 5.11, up to and including 6.6; version 6.7 only
  • Red Hat Enterprise Linux: version 8.0 only; version 9.0 only

Published 2023-12-08. Last modified 2026-06-17.