CVE-2026-64405

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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 6.9% 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 2026-09-04.

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

2026-07-25 08:50Z1 MO AGO

Last updated

2026-08-17 04:55Z18 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

b9ec3c159bdcd9a136d8e891e2833a874ba25ce4dcd3fe5aeb4f839a83c82ec9

• git.kernel.orghttps://git.kernel.org/stable/c/903227b6168bb99fd57d4e3c9c1b5014986198e0
• git.kernel.orghttps://git.kernel.org/stable/c/83b22d7f7c384564fa42c3cf19bec715c693d7a2
• git.kernel.orghttps://git.kernel.org/stable/c/70c397b62ee015e19b3924d9da741c8dda017819
• git.kernel.orghttps://git.kernel.org/stable/c/61701912c58a05f6a043f097cc177a964abef348
• git.kernel.orghttps://git.kernel.org/stable/c/b42cb640a0493d16b61ddd267420274be15efdc1
• git.kernel.orghttps://git.kernel.org/stable/c/12917f591cea1af36087dba5b9ec888652f0b42a