HIGHCVSS 7.8Actively exploited · CISA KEV since 2026-09-18Vulnerability

CVE-2025-39964

Linux Kernel contains a race condition vulnerability which allows concurrent writes to the same AF_ALG socket causing data to be unpredictably interleaved and creating inconsistencies in the socket's internal state.

Properties

Euvd product
Linux
Vulnerability name
Linux Kernel Race Condition Vulnerability
First seen
2026-10-15T01:08:42+00:00
Cvss score
7.8
Epss score
0.01362
Last seen
2026-10-19T12:00:27+00:00
Due date
2026-09-21
Euvd assigner
Linux
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2026-09-18T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2026-09-18
Euvd base score version
3.1
Score
7.8
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Linux
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-09-18T13:44:59+00:00
Euvd base score
7.8

Related Entities (14)

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CVE-2025-39964 (CVSS 7.8) — Ninja Signal Threat Intelligence | Ninja Signal