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CVE-2025-39964

Linux Kernel Race Condition Vulnerability.

Linux · Kernel

Exploitabilité (EPSS)
1.6 %
percentile mondial 75
Sévérité (CVSS)
·
non noté
Ajoutée au KEV
18 sept. 2026
échéance CISA · 21 sept. 2026
Description

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.

Action requise (CISA)

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Familles de faiblesses
CWE-362 · CWE-362
Signal de priorisation (d’inspiration SSVC)
Examiner
Exploitation
Active (catalogue KEV)
Automatisable
Inconnu
Impact technique
Inconnu

Une orientation, pas une décision : le 4ᵉ facteur SSVC (impact mission/société) dépend du contexte de votre organisation. Méthode ↗

Autres vulnérabilités exploitées · Linux
CVE-2026-31431 98% CVE-2022-0847 93% CVE-2016-5195 84% CVE-2021-22555 79% CVE-2019-13272 52% CVE-2021-3493 49%
NVD ↗ CVE.org ↗ CISA KEV ↗