CVE-2026-80793: ipv4: reject undersized MTUs in ip_do_fragment()

Overview

Severity

Medium (CVSS 4.4)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-06

Last Updated

2026-09-07

EPSS Score

0.19% (percentile: 9.3%)

Affected Products (1)

Other

• 21684-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-06: Information published.
• 2026-09-07: Information published.