CVE-2026-64166

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 2.1% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-13.

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

2026-07-19 15:40Z1 MO AGO

Last updated

2026-07-19 15:40Z1 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

b1cbdf557a4638a10bd3442d3a592895ceefcbef59c98d654939dd5f56b9f188

• git.kernel.orghttps://git.kernel.org/stable/c/f98f131256beaddd51ad468e95d90d857fef12bf
• git.kernel.orghttps://git.kernel.org/stable/c/bc499d1acddbb75b5b4bce05f5296dd8ef9611fd
• git.kernel.orghttps://git.kernel.org/stable/c/adfff93d08a2e12ecf2a1eba272d18bc749f13c0
• git.kernel.orghttps://git.kernel.org/stable/c/34f59211984f66788390e7469f3e99d3796db4a8
• git.kernel.orghttps://git.kernel.org/stable/c/820245d86ce58898fb48b4fefc77d0cafc02801d
• git.kernel.orghttps://git.kernel.org/stable/c/198f6c86d508ed562f07dc00276cac6dbb5dd3bf
• git.kernel.orghttps://git.kernel.org/stable/c/0a5e695095c557d2380131b613dea4e8d90371be