CVE-2026-23400

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

0.09% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 0.5% 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 2026-06-17.

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

2026-03-29 12:55Z5 MO AGO

Last updated

2026-05-11 22:06Z3 MO AGO

Reserved

2026-01-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-667Improper LockingClass
• CWE-833DeadlockBase

Data version

5.2

Document digest

05f09fd633a79d1d3738d9a26e0876bd603f8d61357a879cc2ebe4462259aea5

• git.kernel.orghttps://git.kernel.org/stable/c/dd109e3442817bc03ad1f3ffd541092f8c428141
• git.kernel.orghttps://git.kernel.org/stable/c/3be72099067d2cd4a0e089696f19780f75b2b88a
• git.kernel.orghttps://git.kernel.org/stable/c/2e303f0febb65a434040774b793ba8356698802b