CVE-2026-31397

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

7.8 (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:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-24.

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

2026-04-03 15:16Z5 MO AGO

Last updated

2026-08-05 12:22Z29 DAYS AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

33ba3722b46357c4a49af477567f8c494d79f352f437f468f82243df3255745e

• git.kernel.orghttps://git.kernel.org/stable/c/f3caaee0f9e489fd2282d4ce45791dc8aed2da62
• git.kernel.orghttps://git.kernel.org/stable/c/e3133d0986dc5a231d5419167dbac65312b28b41
• git.kernel.orghttps://git.kernel.org/stable/c/fae654083bfa409bb2244f390232e2be47f05bfc