[悪用確認] CVE-2025-39964: Linux Kernel Race Condition Vulnerability

Linux Kernel 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. 対応: 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. (期限 2026-09-21)

CISA Known Exploited Vulnerabilitiesで読む

2026/09/18 09:00、CISA Known Exploited Vulnerabilitiesが「[悪用確認] CVE-2025-39964: Linux Kernel Race Condition Vulnerability」を公開しました (種別: 脆弱性アドバイザリ)。重大度は「緊急」(critical) です。CVE: CVE-2025-39964。