CVE-2026-64277

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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 6.3% 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 2026-08-17.

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

2026-07-25 08:49Z1 MO AGO

Last updated

2026-08-17 04:52Z18 DAYS 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

No CWE assigned

Data version

5.2

Document digest

f0fca0ed4665ae84bbadc942756563b53ab59b1b65fa4748aa3a030ee24d0bf3

• git.kernel.orghttps://git.kernel.org/stable/c/502ad7caaa1a445b734c827fa256e5311df67e3d
• git.kernel.orghttps://git.kernel.org/stable/c/3480e24bc4e178aaa009edb25b6ee12df199e210
• git.kernel.orghttps://git.kernel.org/stable/c/35ed74d32d8260bdfb14a94caf402bf0866bdeec
• git.kernel.orghttps://git.kernel.org/stable/c/ba57f430328534501962d60d651e385ffd7af9ca
• git.kernel.orghttps://git.kernel.org/stable/c/850117b637bcb1dcc14be0cf09ac819a8707b42c
• git.kernel.orghttps://git.kernel.org/stable/c/8db211aed83733073b0814adaeeab61d4521474e
• git.kernel.orghttps://git.kernel.org/stable/c/64fb0e1161ccc6b9e48b8df61f07d3c34c01ec42
• git.kernel.orghttps://git.kernel.org/stable/c/57c10915f2c16c90e0d46ad00876bf39ece40fc2