CVE-2026-64331

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

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.4% 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 2026-09-03.

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

2026-07-25 08:49Z1 MO AGO

Last updated

2026-08-17 04:53Z18 DAYS AGO

Reserved

2026-07-19

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

c9ada51aea154c5cf4651ab16178315586b2d0bf03a94b17467275c28686199a

• git.kernel.orghttps://git.kernel.org/stable/c/9858c91d9ee6a13c45311569039413729fc9b757
• git.kernel.orghttps://git.kernel.org/stable/c/1226293ec9bed3d4cc5b05eeeb811d315ca51652
• git.kernel.orghttps://git.kernel.org/stable/c/3750f75f29f99c0223601e2ee73ad084adec47bd
• git.kernel.orghttps://git.kernel.org/stable/c/d0ebf9cc7c2ddf95a7cfc654b940bdacb7edde97
• git.kernel.orghttps://git.kernel.org/stable/c/0025276175fbbe0dcbf3f84d090b0adee769e9d9
• git.kernel.orghttps://git.kernel.org/stable/c/347b59e9f96719d89b6ef555d02a18ada1a5846f
• git.kernel.orghttps://git.kernel.org/stable/c/0443e4416aa1ee97748d1ed904eaf3352c60045e
• git.kernel.orghttps://git.kernel.org/stable/c/c5371e0b91b24159a3ebaa61e70b0980bcf03c0a