CVE-2026-31538

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

0.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 36.5% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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 14:30Z6 MO AGO

Last updated

2026-08-05 12:23Z2 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-821Incorrect SynchronizationBase

Data version

5.2

Document digest

e34102f557a55d16e0b3381bf576a269c442290276532c8f46d8f8c5cfb95d2f

• git.kernel.orghttps://git.kernel.org/stable/c/66c082e3d4651e8629a393a9e182b01eb50fb0a3
• git.kernel.orghttps://git.kernel.org/stable/c/809cbd31aa4f87a1b889532244c9cf30eb022385
• git.kernel.orghttps://git.kernel.org/stable/c/26ad87a2cfb8c1384620d1693a166ed87303046e