CVE-2026-64222

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

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-11.

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

2026-07-24 15:23Z1 MO AGO

Last updated

2026-08-05 12:40Z1 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.0)

CNA CVSS vector

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

Weaknesses

• CWE-415Double FreeVariant
• CWE-1341Multiple Releases of Same Resource or HandleBase

Data version

5.2

Document digest

8e16772a3b8693a278c9ef6199e8621fab9b9749ffa0a3030db1431e04c779e4

• git.kernel.orghttps://git.kernel.org/stable/c/e6e9bc0bf963662b7042048ab0281014625d4cb4
• git.kernel.orghttps://git.kernel.org/stable/c/b92e7ea408b6f1144648909c9c49a55d245d7300
• git.kernel.orghttps://git.kernel.org/stable/c/94192b0579333c3deee2441379aab8ca98fc2e6b
• git.kernel.orghttps://git.kernel.org/stable/c/4c29603498b05c049dbbbc47e882f2fbf0193cd7
• git.kernel.orghttps://git.kernel.org/stable/c/0488a0bb344fb1992853b60082acff6be8164d74
• git.kernel.orghttps://git.kernel.org/stable/c/0d9b9d7dbef976ae7f855b6358f1d703014e96ea
• git.kernel.orghttps://git.kernel.org/stable/c/c4b8c5d51632538b19ee01cf6d70cbceeefbd3ec
• git.kernel.orghttps://git.kernel.org/stable/c/9b244c242bec48b37e82b89787afd6a4c43457e1