CVE-2026-31420

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 0.6% 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

Modified. 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

2026-04-13 13:40Z4 MO AGO

Last updated

2026-06-01 16:11Z3 MO AGO

Reserved

2026-03-09

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-606Unchecked Input for Loop ConditionBase

Data version

5.2

Document digest

1dfbdf870a625a0efcc47024522b2b0d63d8ab69ce18f511f9b909c65829fa6f

• git.kernel.orghttps://git.kernel.org/stable/c/630a15a31c2034b5b697f4aabc769b9d80d82446
• git.kernel.orghttps://git.kernel.org/stable/c/e8ec80430bfa520e7352155d6ac632e527cba7aa
• git.kernel.orghttps://git.kernel.org/stable/c/c9bc352f716d1bebfe43354bce539ec2d0223b30
• git.kernel.orghttps://git.kernel.org/stable/c/fa6e24963342de4370e3a3c9af41e38277b74cf3