CVE-2026-64394

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

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 38.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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 04:54Z18 DAYS AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

72a279d3cf574563c4a923829e75380da6d3cd98fd7d3c5e056cb3937ce2bea6

• git.kernel.orghttps://git.kernel.org/stable/c/0848b1d8b403f530878195dcbe241a2fddb9d0e1
• git.kernel.orghttps://git.kernel.org/stable/c/e6aa731f1b4b3e08caebf66a99f04b22bdab2e99
• git.kernel.orghttps://git.kernel.org/stable/c/9ab2ffd3ed3d4ca1667c52de27026ddabc11e537
• git.kernel.orghttps://git.kernel.org/stable/c/f56535db508ead8dec1c481ad93d7d8acd8f8f1e
• git.kernel.orghttps://git.kernel.org/stable/c/aae600cdaffc6d9ce97645f129799a103a97d06d
• git.kernel.orghttps://git.kernel.org/stable/c/44df157a1183a7f746caa970c169255da5ac61f8