CVE-2026-53013: macvlan: fix macvlan_get_size() not reserving space for IFLA_MACVLAN_BC_CUTOFF

Overview

Severity
High (CVSS 8.1)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Jun
Released
2026-06-27
EPSS Score
0.17% (percentile: 6.4%)

Affected Products (1)

Open Source Software

  • azl3 kernel 6.6.139.1-1 on Azure Linux 3.0

Revision History

  • 2026-06-27: Information published.