CVE-2026-64577

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

0.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 44.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Received. NVD last modified this record on 2026-08-19.

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

2026-08-05 08:09Z1 MO AGO

Last updated

2026-08-19 16:28Z16 DAYS AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

dd823e8c88f46feaaefdb7da7831c02a3bd3d9bac740f7c0e403c8f9f6668a41

• git.kernel.orghttps://git.kernel.org/stable/c/9033fe49926f0e7421fefee922dc086417e905cf
• git.kernel.orghttps://git.kernel.org/stable/c/b3c733eaae7f362601c28ac1533d47a961cd3e1c
• git.kernel.orghttps://git.kernel.org/stable/c/4fc7923871d176ce0e5fecf4a9b7bb915af790ed
• git.kernel.orghttps://git.kernel.org/stable/c/961e9b1e33445f8e42859ecc020c9f60d8b69a8b
• git.kernel.orghttps://git.kernel.org/stable/c/cf45d748e437b8dd2dd987f27ee79c8c86f95c88
• git.kernel.orghttps://git.kernel.org/stable/c/cd170f051dba9ac146fabcd1b91726487c0cb9fa