CVE-2026-53086

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

0.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 22.9% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-23.

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

2026-06-24 16:30Z2 MO AGO

Last updated

2026-08-05 12:33Z1 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
• CWE-366Race Condition within a ThreadBase

Data version

5.2

Document digest

c9f01edc1db3170dfd09761485b4ce8d6a02542c615c11f6fc16a8c03af60573

• git.kernel.orghttps://git.kernel.org/stable/c/e85b0c0a12e967930044608311471b665baa315c
• git.kernel.orghttps://git.kernel.org/stable/c/e8206538cbaf4f4068e99a4cb1138690a1e00499
• git.kernel.orghttps://git.kernel.org/stable/c/681fdfe823b4f1036ed50b58b8838c7917ea389c
• git.kernel.orghttps://git.kernel.org/stable/c/c270e2bec3e55a716d25c35341091339457ac883
• git.kernel.orghttps://git.kernel.org/stable/c/7ce1c26aac3b318886a57425f64b522da7389153
• git.kernel.orghttps://git.kernel.org/stable/c/5393b2b5bee2ac51a0043dc7f4ac3475f053d08d