CVE-2026-31643

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 2.2% 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

Low. 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

2026-04-24 14:44Z4 MO AGO

Last updated

2026-05-11 22:12Z3 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
• CWE-772Missing Release of Resource after Effective LifetimeBase

Data version

5.2

Document digest

8da8362506a9c16f6dd9f034c57ae61c5b9cf7e70598298702bd01f9fa5d8bb8

• git.kernel.orghttps://git.kernel.org/stable/c/d5f76f812d2c0ea6dd651b0586be49e85ecca085
• git.kernel.orghttps://git.kernel.org/stable/c/01f51318feb626deee1d0c8a190198cd7857d599
• git.kernel.orghttps://git.kernel.org/stable/c/b555912b9b21075e8298015f888ffe3ff60b1a97