CVE-2026-64084

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.5% 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 2026-09-03.

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

2026-07-19 15:39Z1 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-125Out-of-bounds ReadBase
• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

0a607228cf88ea6ae7a0ccc4b9704af63a0d23b78cca636569ae6ac618342da8

• git.kernel.orghttps://git.kernel.org/stable/c/d0593e15fdeb56048a72c5c6e720f702759d0ccd
• git.kernel.orghttps://git.kernel.org/stable/c/17cee2f59029039416e8f6303050038eb59ba149
• git.kernel.orghttps://git.kernel.org/stable/c/299efd14c2eda7e5fd40025e54addd4151a01081
• git.kernel.orghttps://git.kernel.org/stable/c/4d1da9a6be5a8156c532d571c2ed237169f99244
• git.kernel.orghttps://git.kernel.org/stable/c/b96c7f0bc0713dc6403912f6527d4ff9168d6fe6
• git.kernel.orghttps://git.kernel.org/stable/c/fa7ca363069a70b0d1aa51e8892e3095fe2ac1ec
• git.kernel.orghttps://git.kernel.org/stable/c/2aef8f08c479f4cbc83e1e6b19d1c94d4dd24f17
• git.kernel.orghttps://git.kernel.org/stable/c/d7834d92251baade796812876e95555e2066fa9f