CVE-2026-23227

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

0.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.9% 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

Modified. NVD last modified this record on 2026-06-17.

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

2026-02-18 14:53Z6 MO AGO

Last updated

2026-08-05 12:20Z1 MO AGO

Reserved

2026-01-13

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

• CWE-416Use After FreeVariant
• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

147d1297593d47944b9a8534941e37a94b6d6a0f969371eda3e8b5de9ca836c0

• git.kernel.orghttps://git.kernel.org/stable/c/56966a4cfa925ec24edb68ab652a740a7abe2c4d
• git.kernel.orghttps://git.kernel.org/stable/c/9e1ef9396a1899925911b1729cb65665420268df
• git.kernel.orghttps://git.kernel.org/stable/c/92dd1f38d7db75374dcdaf54f1d79d67bffd54e5
• git.kernel.orghttps://git.kernel.org/stable/c/1b24d3e8792bcc050c70e8e0dea6b49c4fc63b13
• git.kernel.orghttps://git.kernel.org/stable/c/abfdf449fb3d7b42e85a1ad1c8694b768b1582f4
• git.kernel.orghttps://git.kernel.org/stable/c/60b75407c172e1f341a8a5097c5cbc97dbbdd893
• git.kernel.orghttps://git.kernel.org/stable/c/0cd2c155740dbd00868ac5a8ae5d14cd6b9ed385
• git.kernel.orghttps://git.kernel.org/stable/c/52b330799e2d6f825ae2bb74662ec1b10eb954bb