CVE-2026-72320: netfilter: nft_lookup: fix catchall element handling with inverted lookups

Overview

Severity

High (CVSS 7.4)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-23

EPSS Score

0.52% (percentile: 42.1%)

Affected Products (1)

Other

• 21684-17084

Revision History

• 2026-08-23: Information published.