CVE-2026-31440

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

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.3% 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

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

2026-04-22 13:53Z4 MO AGO

Last updated

2026-05-17 15:21Z3 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-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.2

Document digest

b5535bf2318091d72a08e6567d603ef8a5791f81d037afb8c4aa30223e5ad845

• git.kernel.orghttps://git.kernel.org/stable/c/695b491dc3f20365fd5821f22e25dbe3c1c20cbc
• git.kernel.orghttps://git.kernel.org/stable/c/d94f9b0ba28a205caf95902ee88b42bdb8af83d0
• git.kernel.orghttps://git.kernel.org/stable/c/facd0012708e942fc12890708738aebde497564e
• git.kernel.orghttps://git.kernel.org/stable/c/9dfa00967e6ef43a9dd0887fe5c3a721a39da92e
• git.kernel.orghttps://git.kernel.org/stable/c/ee66bc29578391c9b48523dc9119af67bd5c7c0f