CVE-2026-23020

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.0% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-01-31 11:39Z7 MO AGO

Last updated

2026-05-23 16:03Z3 MO AGO

Reserved

2026-01-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

c622c8d79f8df9c4b92e6ef66d2d30cba88ecf1c7c27bb42b2c25900bd2a69be

• git.kernel.orghttps://git.kernel.org/stable/c/053ac9e37eee435e999277c0f1ef890dad6064bf
• git.kernel.orghttps://git.kernel.org/stable/c/6cff14b831dbdb32675b4c7904dcc3eeeaf47e9d
• git.kernel.orghttps://git.kernel.org/stable/c/606872c8e8bf96066730f6a2317502c5633c37f1
• git.kernel.orghttps://git.kernel.org/stable/c/28b2a805609699be7b90020ae7dccfb234be1ceb
• git.kernel.orghttps://git.kernel.org/stable/c/2f05f7737e16d9a40038cc1c38a96a3f7964898b
• git.kernel.orghttps://git.kernel.org/stable/c/d82796a57cc0dac1dbef19d913c8f02a8cc7b1a7
• git.kernel.orghttps://git.kernel.org/stable/c/a4e305ed60f7c41bbf9aabc16dd75267194e0de3