CVE-2026-72421

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

0.57% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 44.7% of scored records. A rank, not a probability.

NVD base score

10.0 (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:C/C:H/I:H/A:N

NVD analysis status

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

Red Hat severity

Low. 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 05:56Z21 DAYS AGO

Last updated

2026-08-17 05:44Z19 DAYS AGO

Reserved

2026-08-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 10.0)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

2088d90ec40cffad865c6fdb660460acc91a4519c7ec4d00f2d964cbe44600a9

• git.kernel.orghttps://git.kernel.org/stable/c/a29e95fbc51e8a1b932773fd0e259b2080881443
• git.kernel.orghttps://git.kernel.org/stable/c/5ae18d87a45698e8244d0fcba64c658c35a7dd3d
• git.kernel.orghttps://git.kernel.org/stable/c/9127589aabdee588278e8d0d0bd3709a760a92c8
• git.kernel.orghttps://git.kernel.org/stable/c/49eaf1403201357762d745a35882fb734107d763
• git.kernel.orghttps://git.kernel.org/stable/c/fd25996f57a95d56bc568c89b4921edcf334b7d8
• git.kernel.orghttps://git.kernel.org/stable/c/828fad4fd418bcdb9f5d66fec0d184c52a85ec31
• git.kernel.orghttps://git.kernel.org/stable/c/a668fa160247d7bbe921548cb845f607b8b9305f
• git.kernel.orghttps://git.kernel.org/stable/c/b72f0db64205d9ce462038ba995d5d31eff32dc1