VULNERABILITY INTELLIGENCE

CVE-2023-4147

CVSS score7.8 HIGH
EPSS probability0.56%
CISA KEVNot currently listed
Published2023-08-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-416: Use After Free

Primary references