CVE-2026-64137

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 2.9% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-13.

Red Hat severity

Important. 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

2026-08-05 12:39Z1 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-280Improper Handling of Insufficient Permissions or PrivilegesBase

Data version

5.2

Document digest

cc3ce40e8f3dbce3089977ee61cc9fad0a4b3757dab98c751c557caf0453c97c

• git.kernel.orghttps://git.kernel.org/stable/c/9cf7eb8919344932f909b2fac76296f7656fda8d
• git.kernel.orghttps://git.kernel.org/stable/c/9919021a3b7974ae66a5f9915e3a48c10cfd409b
• git.kernel.orghttps://git.kernel.org/stable/c/969bc6370334a5b4720c5470783295d6484bbc95
• git.kernel.orghttps://git.kernel.org/stable/c/a3238b09c58f323e40743ce174cd0ab81b5c09ed
• git.kernel.orghttps://git.kernel.org/stable/c/a8d17d22db591099519a89f14dd24810daba74c3
• git.kernel.orghttps://git.kernel.org/stable/c/c2397b93fbb6f44a788fff30f99be2c20cc5e50f
• git.kernel.orghttps://git.kernel.org/stable/c/d1ebfce2c1d161186a82e77590bf7da2ea1bce91