CVE-2026-64121

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.7% 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 2026-08-13.

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

2026-07-19 15:40Z1 MO AGO

Last updated

2026-07-19 15:40Z1 MO 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

10a4602728464673d26698519d5f10f3787d367f2811d007e989659a69c2621a

• git.kernel.orghttps://git.kernel.org/stable/c/6afdb8113cb007f9332f59a9b7fd45731b8a9de5
• git.kernel.orghttps://git.kernel.org/stable/c/16bd798cb6d8337d7c3eea1adc412f31b5181d5b
• git.kernel.orghttps://git.kernel.org/stable/c/301a554e458e2f5ec47f2c336a7cb03b877f9fd6
• git.kernel.orghttps://git.kernel.org/stable/c/f8a5a76b4a683043c6eff2a060bcaa17f9316ad5
• git.kernel.orghttps://git.kernel.org/stable/c/2638e1773904d7aa8f24c6e7fda2ed7d69df6fa4
• git.kernel.orghttps://git.kernel.org/stable/c/5db89c99566fc4728cc92e941d8e1975711e24b5