CVE-2026-64026

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.8% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/A:H

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-07-30.

Red Hat severity

Important. 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 15:39Z1 MO AGO

Last updated

2026-08-05 12:38Z1 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-366Race Condition within a ThreadBase

Data version

5.2

Document digest

129139dc1e41100017e61d95e04ab9df7d516a8174f1c441ea2cda85353425ed

• git.kernel.orghttps://git.kernel.org/stable/c/a05bf6d9e621fa71e89ccebe3047ba45218d7b38
• git.kernel.orghttps://git.kernel.org/stable/c/b94a6ccbaf1104dd980150a65fdeb2f69d17d2f5
• git.kernel.orghttps://git.kernel.org/stable/c/46cb765e2e5ad52303ea157e10d370bb6b7acbbf
• git.kernel.orghttps://git.kernel.org/stable/c/c580087743712112778a06d65a4074053072d7bf
• git.kernel.orghttps://git.kernel.org/stable/c/d2bc90cf6c75cb96d2ce549be6c35efa3099d25b