CVE-2023-3610: Debian Linux

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Flaw in the error handling of bound chains causes a use-after-free in the abort path of NFT_MSG_NEWRULE. The vulnerability requires CAP_NET_ADMIN to be triggered. We recommend upgrading past commit 4bedf9eee016286c835e3d8fa981ddece5338795.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Linux Linux Kernel: from 5.9, before 5.10.188 (fixed in 5.10.188); from 5.11, before 5.15.119 (fixed in 5.15.119); from 5.16, before 6.1.36 (fixed in 6.1.36); from 6.2, before 6.3.10 (fixed in 6.3.10)

Published 2023-07-21. Last modified 2026-06-17.