CVE-2026-64547

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

0.27% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 19.2% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

High (CVSS 8.1)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

00f377e858caf71817fd6eed448e9d538bd143d065ae369db3b50196c953479f

• git.kernel.orghttps://git.kernel.org/stable/c/f42217fa7d535e9ec4151f7971f06f6ea65e850a
• git.kernel.orghttps://git.kernel.org/stable/c/c087749815379e9af2fdbeb08bfc33870b103958
• git.kernel.orghttps://git.kernel.org/stable/c/e4a87126c085b097d29e17e3b7647295bba8be7c
• git.kernel.orghttps://git.kernel.org/stable/c/685e92934f11d5e215dad58813e2f9955ac2f436
• git.kernel.orghttps://git.kernel.org/stable/c/4dc8484be3302d187274364820d3bef6c62bde32
• git.kernel.orghttps://git.kernel.org/stable/c/b153cfe84b1340c69a13d0957665a2bfcf21239c
• git.kernel.orghttps://git.kernel.org/stable/c/ea866cab12db1a2100b400a8b03569e5bc0ee29a
• git.kernel.orghttps://git.kernel.org/stable/c/03f384bc0cb8d4a1301d4f5b0baef2d980258383