CVE-2026-64436

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 2.1% 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 2026-09-03.

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

3260bc5e0aeafdd786bf462b5af24a205f3709f632247147261168922a5c7757

• git.kernel.orghttps://git.kernel.org/stable/c/58e82fc3dedb57b1432292504415b224fd2d6acb
• git.kernel.orghttps://git.kernel.org/stable/c/01b9115b55018123ef2449ac4951f89147a8428e
• git.kernel.orghttps://git.kernel.org/stable/c/3f63d1752d90c0e28be931a48ab5d89bc97d637d
• git.kernel.orghttps://git.kernel.org/stable/c/273c06b81d2e902b21acc801ae18c8276c8a9b69
• git.kernel.orghttps://git.kernel.org/stable/c/6de2a650917bedaaefd65b17cede83c5e2c1dedd
• git.kernel.orghttps://git.kernel.org/stable/c/e8417353cbd078d10531ba3928e609c84ab09e6b
• git.kernel.orghttps://git.kernel.org/stable/c/cea34abc94b0a81e3a8b5cfb41cf45af37c2c67e
• git.kernel.orghttps://git.kernel.org/stable/c/d129c3177d7b1138fd5066fcc63a698b3ba415b0