CVE-2026-23020

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

31/01/2026

Last modified:

25/03/2026

Description

In the Linux kernel, the following vulnerability has been resolved: net: 3com: 3c59x: fix possible null dereference in vortex_probe1() pdev can be null and free_ring: can be called in 1297 with a null pdev.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	4.16.12 (including)	4.17 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.17.1 (including)	5.10.248 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.198 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.161 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.121 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.12.66 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.18.6 (excluding)
cpe:2.3:o:linux:linux_kernel:4.17:-::::::
cpe:2.3:o:linux:linux_kernel:6.19:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.19:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.19:rc3::::::
cpe:2.3:o:linux:linux_kernel:6.19:rc4::::::
cpe:2.3:o:linux:linux_kernel:6.19:rc5::::::
cpe:2.3:o:linux:linux_kernel:6.19:rc6::::::
cpe:2.3:o:linux:linux_kernel:6.19:rc7::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-23020

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools