CVE-2026-98030: Linux 4.11

Affected technology

Linux · 7318166cacad158b46240f66250d7cc5a481653b to before ca49c526291d7cd3a5cb49b0edd7f50a5ae7176e, 7318166cacad158b46240f66250d7cc5a481653b to before 8e41ce02589c92356bfd8ef62f6ceff840546e1a, 7318166cacad158b46240f66250d7cc5a481653b to before f2cf4ef2d94fc15fd2e21c131fc1ab3f76125bf4, 7318166cacad158b46240f66250d7cc5a481653b to before f5e93162b3dd195bfda815e8f7a39aaf1d45437b, 7318166cacad158b46240f66250d7cc5a481653b to before f1a2869b3629c0e8394b77b38cb9f19a018c653c, 7318166cacad158b46240f66250d7cc5a481653b to before fd1a78c16b1f6978c09cf048e15f349732e4c707, 7318166cacad158b46240f66250d7cc5a481653b to before b231b6d8516d3fe0d4bba549908e08d26a4531a5, 7318166cacad158b46240f66250d7cc5a481653b to before cdb719f4b8596d9ccee2d56d204c2c4dce982f46
Linux

Linux · 4.11
Linux

Component: Not specified by the source
File: drivers/net/dsa/bcm_sf2_cfp.c

Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

An admin has installed CFP rules any user can ask for fewer slots than there are rules and run off the end of the allocation. Source advisory’s CVSS 3.1 assessment (base score 7.0/10) rates confidentiality, integrity and availability impact as high.