CVE-2026-64427

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

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.5% 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 2026-09-04.

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 08:51Z1 MO AGO

Last updated

2026-08-19 16:28Z16 DAYS 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

68fa11d0d85fcfac54525edb19c9c27dfc996bfac000f34997282996c3338c75

• git.kernel.orghttps://git.kernel.org/stable/c/f3790a6af9c7f47d454225cab9dc145270e48f62
• git.kernel.orghttps://git.kernel.org/stable/c/1215febd644c3e16f77e0f1799d89544dd57a754
• git.kernel.orghttps://git.kernel.org/stable/c/6f7f22a8d244c2e586b8eb61c7585784b62aea01
• git.kernel.orghttps://git.kernel.org/stable/c/95b3f23d632490b5eb285b9fcf7284f2ac8f9872
• git.kernel.orghttps://git.kernel.org/stable/c/80c1e18473f63fd7c6a2bc9ad6f3d0a6cc4fb500
• git.kernel.orghttps://git.kernel.org/stable/c/2b70bebc709489d29a31ac2935aeffb8d5228395
• git.kernel.orghttps://git.kernel.org/stable/c/7a89ad762fad53d56b7002d7ffc923a4b7f4006f
• git.kernel.orghttps://git.kernel.org/stable/c/590cc4d782487632a52f37c2171bee1eeea29627