CVE-2026-64452

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 12.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-03.

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

2026-07-25 08:51Z1 MO AGO

Last updated

2026-08-17 04:55Z18 DAYS AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.2

Document digest

9b800426449223ff1387e0849dfccfd5fe837eb77570ad2cfbbceafaeacc1420

• git.kernel.orghttps://git.kernel.org/stable/c/9c2f5c0829a8c8b904dae36be6d8056b719ac605
• git.kernel.orghttps://git.kernel.org/stable/c/80b5c8779acee0550845394fb3e5176a398aa24c
• git.kernel.orghttps://git.kernel.org/stable/c/cc27aea4d454abfb385ee2c9499c78b96db9b728
• git.kernel.orghttps://git.kernel.org/stable/c/a8e3a94711134e898c6021a6b77374efa91b3639
• git.kernel.orghttps://git.kernel.org/stable/c/593b78bb3c7ef0c6e9ae6fdf5afa80a5f7573168
• git.kernel.orghttps://git.kernel.org/stable/c/0beccbcf50de125be5520d0ffc59af4bb8655482
• git.kernel.orghttps://git.kernel.org/stable/c/b713aa0cc344f10f7a9928a230b5f5e780d04078
• git.kernel.orghttps://git.kernel.org/stable/c/1720db928e5a58ca7d75ac1d514c3b73fd7061a7