CVE-2023-6622 MEDIUM

CVE-2023-6622: Kernel: null pointer dereference vulnerability in nft_dynset_init()

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-476
Published December 8, 2023
Last update November 6, 2025
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 8, 2023 CVE published
November 6, 2025 Record updated