CVE-2026-64113

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

0.55% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 43.6% 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 2026-08-12.

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 15:40Z1 MO AGO

Last updated

2026-08-05 12:39Z1 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-416Use After FreeVariant
• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

10599f44ad85335979b433ce45c6e218c4f79c2db6fede0b24fc20ea5cc2de09

• git.kernel.orghttps://git.kernel.org/stable/c/3d931ac62411a7e43b85dba5fe45e1a4a91bd5cb
• git.kernel.orghttps://git.kernel.org/stable/c/6ef30384a50a50e4a484cddf341bc27de31aa3de
• git.kernel.orghttps://git.kernel.org/stable/c/55b3e91d62b2f7a24109b2d7c9f4c66d2e3b1ec1
• git.kernel.orghttps://git.kernel.org/stable/c/add70e2682c0ad3be2a5810bcf1bc13963ba4df9
• git.kernel.orghttps://git.kernel.org/stable/c/a244395d8c563ed1bb26c3ef708db6aeeaa08084
• git.kernel.orghttps://git.kernel.org/stable/c/dfef79e09ed2f5df975c98547f97f5d7f8982a24
• git.kernel.orghttps://git.kernel.org/stable/c/e8768bcbe5cd30c4ea36a22022c9ffaa66903693
• git.kernel.orghttps://git.kernel.org/stable/c/5d49b568c188dc77199d8d2b959c91da8cc27cf1