CVE-2025-71267
Vulnerability Scoring
Analysis In Progress
CVE-2025-71267 Vulnerability Analysis & Exploit Details
CVE-2025-71267
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-2025-71267 Details
Status: Received on 18 Mar 2026, 11:16 UTC
Published on: 18 Mar 2026, 11:16 UTC
CVSS Release:
CVE-2025-71267 Vulnerability Summary
CVE-2025-71267: In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: fix infinite loop triggered by zero-sized ATTR_LIST We found an infinite loop bug in the ntfs3 file system that can lead to a Denial-of-Service (DoS) condition. A malformed NTFS image can cause an infinite loop when an ATTR_LIST attribute indicates a zero data size while the driver allocates memory for it. When ntfs_load_attr_list() processes a resident ATTR_LIST with data_size set to zero, it still allocates memory because of al_aligned(0). This creates an inconsistent state where ni->attr_list.size is zero, but ni->attr_list.le is non-null. This causes ni_enum_attr_ex to incorrectly assume that no attribute list exists and enumerates only the primary MFT record. When it finds ATTR_LIST, the code reloads it and restarts the enumeration, repeating indefinitely. The mount operation never completes, hanging the kernel thread. This patch adds validation to ensure that data_size is non-zero before memory allocation. When a zero-sized ATTR_LIST is detected, the function returns -EINVAL, preventing a DoS vulnerability.
Assessing the Risk of CVE-2025-71267
Access Complexity Graph
The exploitability of CVE-2025-71267 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-2025-71267
No exploitability data is available for CVE-2025-71267.
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-2025-71267, 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-2025-71267, 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-2025-71267 does not compromise confidentiality.
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Integrity:
None
CVE-2025-71267 does not impact data integrity.
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Availability:
None
CVE-2025-71267 does not affect system availability.
CVE-2025-71267 References
External References
- https://git.kernel.org/stable/c/06909b2549d631a47fcda249d34be26f7ca1711d
- https://git.kernel.org/stable/c/7ef219656febf5ae06ae56b1fce47ebd05f92b68
- https://git.kernel.org/stable/c/8d8c70b57dbeda3eb165c0940b97e85373ca9354
- https://git.kernel.org/stable/c/9267d99fade76d44d4a133599524031fe684156e
- https://git.kernel.org/stable/c/976e6a7c51fabf150478decbe8ef5d9a26039b7c
- https://git.kernel.org/stable/c/9779a6eaaabdf47aa57910d352b398ad742e6a5f
- https://git.kernel.org/stable/c/fd508939dbca5eceefb2d0c2564beb15469572f2
CWE Common Weakness Enumeration
Unknown
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