CVE-2026-64530

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

0.54% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 42.8% 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

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

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

2026-07-26 06:28Z1 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

2277ef9813accc25553f15a74819b2b388eef9c70748d97acff8704e27f9654b

• git.kernel.orghttps://git.kernel.org/stable/c/5ed3d6f85991656667059d3fa5a1d683ac58c447
• git.kernel.orghttps://git.kernel.org/stable/c/f42e8134a3a1074b834a574d404352f867ba994a
• git.kernel.orghttps://git.kernel.org/stable/c/447d493034a9cf7bf13a2abac86d0573d907ec2f
• git.kernel.orghttps://git.kernel.org/stable/c/e1270e69dcf2c3512c453484178f2e9dc0db3f05
• git.kernel.orghttps://git.kernel.org/stable/c/2140c2f3f2e7b066e1ae616ede8856cafd8015e9
• git.kernel.orghttps://git.kernel.org/stable/c/e28aedab9488343924d227b5a896faed67ce84d5
• git.kernel.orghttps://git.kernel.org/stable/c/a8a02897f2b479127db261de05cbf0c28b98d159