CVE-2025-39726

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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 14.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-07-30.

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

2025-09-05 17:27Z12 MO AGO

Last updated

2026-08-05 12:04Z1 MO AGO

Reserved

2025-04-16

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

Data version

5.2

Document digest

08206345fca3d1a6db057ee6f083e12490a01d92fdc184c474d69a47b52477cf

• git.kernel.orghttps://git.kernel.org/stable/c/faf44487dfc80817f178dc8de7a0b73f960d019b
• git.kernel.orghttps://git.kernel.org/stable/c/1194ad0d44d66b273a02a3a22882dc863a68d764
• git.kernel.orghttps://git.kernel.org/stable/c/fafaa4982bedb5532f5952000f714a3e63023f40
• git.kernel.orghttps://git.kernel.org/stable/c/897e8601b9cff1d054cdd53047f568b0e1995726