CVE-2026-43037: ip6_tunnel: clear skb2->cb[] in ip4ip6_err()

Overview

Severity

High (CVSS 7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-May

Released

2026-05-06

EPSS Score

0.05% (percentile: 16.4%)

Affected Products (1)

Other

• 21093-17086

Revision History

• 2026-05-06: Information published.