CVE-2026-64407

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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 6.5% 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:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-04.

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 08:50Z1 MO AGO

Last updated

2026-08-17 04:55Z18 DAYS AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

51e50cbed1aebbc9009f3a755f69e768996b0cd5567166fbceb2015ef7ca3456

• git.kernel.orghttps://git.kernel.org/stable/c/21e60eb4d95854196e7c0e77383f35e7ac95df61
• git.kernel.orghttps://git.kernel.org/stable/c/441088792ffec3ca01f4efe2934060570eb11eb8
• git.kernel.orghttps://git.kernel.org/stable/c/2a68a773089204af1c8581dc79668b775418c5ee
• git.kernel.orghttps://git.kernel.org/stable/c/49bcb39e3a041ce26021f77971eaccb49a275118
• git.kernel.orghttps://git.kernel.org/stable/c/badff6c3bed8923a1257a853f137d447976eec30