CVE-2025-39734
Vulnerability Scoring
Analysis In Progress
CVE-2025-39734 Vulnerability Analysis & Exploit Details
CVE-2025-39734
Attack Complexity Details
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Attack Complexity:
Attack Complexity Analysis In Progress
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Attack Vector:
Attack Vector Under Analysis
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Privileges Required:
None
No authentication is required for exploitation.
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Scope:
Impact is confined to the initially vulnerable component.
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User Interaction:
None
No user interaction is necessary for exploitation.
CVE-2025-39734 Details
Status: Received on 07 Sep 2025, 16:15 UTC
Published on: 07 Sep 2025, 16:15 UTC
CVSS Release:
CVE-2025-39734 Vulnerability Summary
CVE-2025-39734: In the Linux kernel, the following vulnerability has been resolved: Revert "fs/ntfs3: Replace inode_trylock with inode_lock" This reverts commit 69505fe98f198ee813898cbcaf6770949636430b. Initially, conditional lock acquisition was removed to fix an xfstest bug that was observed during internal testing. The deadlock reported by syzbot is resolved by reintroducing conditional acquisition. The xfstest bug no longer occurs on kernel version 6.16-rc1 during internal testing. I assume that changes in other modules may have contributed to this.
Assessing the Risk of CVE-2025-39734
Access Complexity Graph
The exploitability of CVE-2025-39734 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).
Exploitability Analysis for CVE-2025-39734
No exploitability data is available for CVE-2025-39734.
Understanding AC and PR
A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.
Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.
Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.
CVSS Score Breakdown Chart
Above is the CVSS Sub-score Breakdown for CVE-2025-39734, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
CIA Impact Analysis
Below is the Impact Analysis for CVE-2025-39734, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
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Confidentiality:
None
CVE-2025-39734 does not compromise confidentiality.
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Integrity:
None
CVE-2025-39734 does not impact data integrity.
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Availability:
None
CVE-2025-39734 does not affect system availability.
CVE-2025-39734 References
External References
- https://git.kernel.org/stable/c/1903a6c1f2818154f6bc87bceaaecafa92b6ac5c
- https://git.kernel.org/stable/c/7ce6f83ca9d52c9245b7a017466fc4baa1241b0b
- https://git.kernel.org/stable/c/a49f0abd8959048af18c6c690b065eb0d65b2d21
- https://git.kernel.org/stable/c/a936be9b5f51c4d23f66fb673e9068c6b08104a4
- https://git.kernel.org/stable/c/b356ee013a79e7e3147bfe065de376706c5d2ee9
- https://git.kernel.org/stable/c/bd20733746263acaaf2a21881665db27ee4303d5
- https://git.kernel.org/stable/c/bec8109f957a6e193e52d1728799994c8005ca83
CWE Common Weakness Enumeration
Unknown
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