CVE-2026-90240

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

0.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 5.3% of scored records. A rank, not a probability.

NVD base score

8.8 (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:C/C:H/I:H/A:H

NVD analysis status

Received. NVD last modified this record on 2026-10-21.

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

2026-09-17 16:07Z1 MO AGO

Last updated

2026-10-21 12:50Z8 DAYS AGO

Reserved

2026-09-11

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

4a09dc06c5334aebe848684cd32318a3c5096d46149e3a6f8cf81256dd89873d

• git.kernel.orghttps://git.kernel.org/stable/c/3eb6ad14ef359e426cff14942e220de101cdbe84
• git.kernel.orghttps://git.kernel.org/stable/c/a803141597d61dc0511f7cd849625e17d042ca8a
• git.kernel.orghttps://git.kernel.org/stable/c/5baddf100b3be730912485648cbaae5e3a251923
• git.kernel.orghttps://git.kernel.org/stable/c/c54e4ae971b98e8d650400137d332cee56c03f55