CVE-2026-64420

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

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/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 04:55Z19 DAYS AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.0)

CNA CVSS vector

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

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

06dd3d8ce90042d439844934c504fdce41cd3b05d271e07aff7a93dd5b297f32

• git.kernel.orghttps://git.kernel.org/stable/c/24522713034d521ea4b5f5f36342e2b2f7e73bd6
• git.kernel.orghttps://git.kernel.org/stable/c/f7e81dc181d9fe8ab977158042cd193e8cc12091
• git.kernel.orghttps://git.kernel.org/stable/c/257203d83204b192d1265a916b42ca0d499bb117
• git.kernel.orghttps://git.kernel.org/stable/c/729ae27dc2503a7c1f92da1859efb45da03e4fa0
• git.kernel.orghttps://git.kernel.org/stable/c/ed2941e5db016a0c600b25f1972620e6e223d9fa
• git.kernel.orghttps://git.kernel.org/stable/c/b5f41d5bf08e7b1b14fa0bd640975e6d78dc006d
• git.kernel.orghttps://git.kernel.org/stable/c/fc030c5b116f668d4ca86dca63742ddbc98d1665
• git.kernel.orghttps://git.kernel.org/stable/c/8b2c1d41bc36c100b38ce5ee6def246c527eaf8a