CVE-2026-23166

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

0.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 1.7% 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

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2026-02-14 16:01Z6 MO AGO

Last updated

2026-05-23 16:04Z3 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

fb113ac8e73385cebd388e6c53cb2697944cad20a2680404d113147fa6b98179

• git.kernel.orghttps://git.kernel.org/stable/c/d75c7b7c3c2b8e3569043099e6bdcefc983856c5
• git.kernel.orghttps://git.kernel.org/stable/c/36126ddbe924727add05a594dedf230d3b575e4d
• git.kernel.orghttps://git.kernel.org/stable/c/9bb30be4d89ff9a8d7ab1aa0eb2edaca83431f85