CVE-2026-64171

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

0.08% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 0.2% 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 2026-08-13.

Red Hat severity

Low. 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

2026-07-19 15:40Z1 MO AGO

Last updated

2026-07-19 15:40Z1 MO 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-667Improper LockingClass
• CWE-772Missing Release of Resource after Effective LifetimeBase

Data version

5.2

Document digest

e3732d99c032debaff73a7221cf839b30f138d8bf4d48875b3bdc35f6ffc6805

• git.kernel.orghttps://git.kernel.org/stable/c/8f7ed203b39004c02479a9156089d87d1ac2c1d8
• git.kernel.orghttps://git.kernel.org/stable/c/57cf4e8d6a57dc2ef5810f4852a23ba4c71b74bb