CVE-2026-31591

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 2.4% 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

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

2026-04-24 14:42Z4 MO AGO

Last updated

2026-06-14 17:42Z2 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-820Missing SynchronizationBase

Data version

5.2

Document digest

42eb538b50d988fefefc96cfe754ba2724a807a65a56685669dc5701272a5761

• git.kernel.orghttps://git.kernel.org/stable/c/30fd9d8c82087742168db779929d8be0459b0716
• git.kernel.orghttps://git.kernel.org/stable/c/4df77742e8b9a6b935bdf46f02fd0aca4d4ee7f5
• git.kernel.orghttps://git.kernel.org/stable/c/c87938fc7d99a06a7e5477c45b4e5a4148f85d66
• git.kernel.orghttps://git.kernel.org/stable/c/cb923ee6a80f4e604e6242a4702b59251e61a380