CVE-2023-7192: Linux Kernel

Medium severity, CVSS 4.4. EPSS: 0.3% chance of exploitation in the next 30 days.

A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.

Affected products

• Linux Linux Kernel: before 6.3 (fixed in 6.3)
• Red Hat Enterprise Linux: version 8.0 only; version 9.0 only

Published 2024-01-02. Last modified 2026-06-17.