CVE-2026-64552

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 3.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/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

2026-07-27 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 8.4)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

9fbca03adbfe0aff0a505afd2a4f85ec906aa084614cb6d8dbc138abc52cb183

• git.kernel.orghttps://git.kernel.org/stable/c/f9451d0fd5ba635dcabb49bfe456a6db734a8986
• git.kernel.orghttps://git.kernel.org/stable/c/38e94d63e29f4a5c6eae87ee2c02101aaa321502
• git.kernel.orghttps://git.kernel.org/stable/c/fbeb65154583879d556ea94cb2f15888e9470f3d
• git.kernel.orghttps://git.kernel.org/stable/c/c7fc9adf4e006155f7f2aeda052fbcde25cdcc49
• git.kernel.orghttps://git.kernel.org/stable/c/e6b8463b7d791f3886d7584259d6e9f06a69f12e
• git.kernel.orghttps://git.kernel.org/stable/c/9e5ad06ea826322ce8c58b4a68442a96f600c3c4