CVE-2026-31437

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 2.2% 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

2026-04-22 13:53Z4 MO AGO

Last updated

2026-05-11 22:08Z3 MO AGO

Reserved

2026-03-09

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

0ed4d48182b2993869b91716ea81c0bf6278fccfff596ffdadda82b5acfba815

• git.kernel.orghttps://git.kernel.org/stable/c/a4d1b4ba9754bac3efebd06f583a44a7af52c0ab
• git.kernel.orghttps://git.kernel.org/stable/c/7a5482f5ce891decbf36f2e6fab1e9fc4a76a684
• git.kernel.orghttps://git.kernel.org/stable/c/e9075e420a1eb3b52c60f3b95893a55e77419ce8