CVE-2026-64404

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 6.5% 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

2f4056c44da014b882c41818a4a2af14b30a10f6811b023aac12b38dd270d1ea

• git.kernel.orghttps://git.kernel.org/stable/c/b3e647a4aa4d2d054f86a783f5c426035e1dc237
• git.kernel.orghttps://git.kernel.org/stable/c/b84eeb7636d6962dd882d5e0b31475e4f404313c
• git.kernel.orghttps://git.kernel.org/stable/c/01afd198c2c286cd3b81f44d4e33a2e638711550
• git.kernel.orghttps://git.kernel.org/stable/c/d5541eb148da72d5e0a1bca8ecd171f9fc8b366f