CVE-2026-64541

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

0.56% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 44.3% 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

Received. 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

2026-07-27 20:10Z1 MO AGO

Last updated

2026-08-17 04:57Z18 DAYS 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

No CWE assigned

Data version

5.2

Document digest

2713ac784e8f108147af5d296f96765608862877bd66717b8634dc69a03b165f

• git.kernel.orghttps://git.kernel.org/stable/c/8de4f665d0febfb92803dece377791a563fc7041
• git.kernel.orghttps://git.kernel.org/stable/c/8145b432136285e01091815b48ceb2dae261f262
• git.kernel.orghttps://git.kernel.org/stable/c/1951bffbc6493ec34cff3956b29d4bc6606904a6
• git.kernel.orghttps://git.kernel.org/stable/c/647b19e5cc145a2f1f685ae8ff3805a17356888c
• git.kernel.orghttps://git.kernel.org/stable/c/472e9d7c0d5b03be3ff91ff941f57da822b031bc
• git.kernel.orghttps://git.kernel.org/stable/c/3bfb96d9bc6a7ed0b99c7db329cc2e22a28d84bb
• git.kernel.orghttps://git.kernel.org/stable/c/ce5aa8084329351086894aa34d77e40301d5bd3d
• git.kernel.orghttps://git.kernel.org/stable/c/9d160b35cc34a2ba8229d07651468a7848325135