CVE-2026-64061

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

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 38.6% 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

Analyzed. NVD last modified this record on 2026-09-02.

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

2026-07-19 15:39Z1 MO AGO

Last updated

2026-08-05 12:38Z1 MO 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

• CWE-825Expired Pointer DereferenceBase
• CWE-416Use After FreeVariant

Data version

5.2

Document digest

1e9e25e99fdd4d8b3d5755602e3c76442170dfcd25e4a56cef5a9a7a75661361

• git.kernel.orghttps://git.kernel.org/stable/c/2a39d49c8d97df8cb8fa80c10859bc1ba7358c6b
• git.kernel.orghttps://git.kernel.org/stable/c/d4f4bc87c76511cf2532448b0fa40c25e894bd7d
• git.kernel.orghttps://git.kernel.org/stable/c/412e8bad48967fd34295866636c028befd27d8b9
• git.kernel.orghttps://git.kernel.org/stable/c/3e5dd91b87a8b1450217b56a336bee315f40da7d