CVE-2026-64150

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

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.8% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-17.

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

2026-07-19 15:40Z1 MO AGO

Last updated

2026-08-05 12:39Z1 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-821Incorrect SynchronizationBase

Data version

5.2

Document digest

de87644f502ee7e12fc81c6e59bc0a7dba880602c93f1148ddef442781b0fcf1

• git.kernel.orghttps://git.kernel.org/stable/c/df19b6af171695a1352314597c9a4311d48d5171
• git.kernel.orghttps://git.kernel.org/stable/c/6fecd39c6401134b58505bc4eb1adc8a0e2fe992
• git.kernel.orghttps://git.kernel.org/stable/c/a6cb3ff979855f7f0ee9450a947fe8f96c2ba37a