CVE-2026-72355

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

0.64% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 50.5% 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 2026-09-21.

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

2026-08-15 05:55Z2 MO AGO

Last updated

2026-09-21 13:13Z1 MO AGO

Reserved

2026-08-09

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

ec3cd39e96b6f2edde08963183e330cee4ea8ecd420b3754ecf8ea218436ac63

• git.kernel.orghttps://git.kernel.org/stable/c/4cca4b44e561a19c77cb1949ae6846da0539db40
• git.kernel.orghttps://git.kernel.org/stable/c/be47c047250671c9225c0319ca4695be9b391c59
• git.kernel.orghttps://git.kernel.org/stable/c/5c6ce05e406520290c1d89da97fb3cd70c09137d