CVE-2026-64389

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

0.45% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 37.5% of scored records. A rank, not a probability.

NVD base score

8.2 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-04.

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 08:50Z1 MO AGO

Last updated

2026-08-17 04:54Z18 DAYS AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.2)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

76b2ec905d12f5209b717fc7f535152912725ea96457e8bfecfce83160285ded

• git.kernel.orghttps://git.kernel.org/stable/c/b56400364aed5c34d6e1a0b493081290a5328a9c
• git.kernel.orghttps://git.kernel.org/stable/c/89ca7756d5566ba636bb9092cdbe57dab095e136
• git.kernel.orghttps://git.kernel.org/stable/c/954d196bebb2b50151cb96454c72dc113b2af1ac