Answer in brief
CVE-2025-71267 records a Medium severity (CVSS 5.5) vulnerability in fs: ntfs3: fix infinite loop triggered by zero-sized ATTR_LIST. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2025-71267 records a Medium severity (CVSS 5.5) vulnerability in fs: ntfs3: fix infinite loop triggered by zero-sized ATTR_LIST. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <9267d99fade76d44d4a133599524031fe684156e || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <976e6a7c51fabf150478decbe8ef5d9a26039b7c || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <8d8c70b57dbeda3eb165c0940b97e85373ca9354 || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <7ef219656febf5ae06ae56b1fce47ebd05f92b68 || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <9779a6eaaabdf47aa57910d352b398ad742e6a5f || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <fd508939dbca5eceefb2d0c2564beb15469572f2 || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <06909b2549d631a47fcda249d34be26f7ca1711d | 9267d99fade76d44d4a133599524031fe684156e, 976e6a7c51fabf150478decbe8ef5d9a26039b7c, 8d8c70b57dbeda3eb165c0940b97e85373ca9354, 7ef219656febf5ae06ae56b1fce47ebd05f92b68, 9779a6eaaabdf47aa57910d352b398ad742e6a5f, fd508939dbca5eceefb2d0c2564beb15469572f2, 06909b2549d631a47fcda249d34be26f7ca1711d |
| Linux/Linuxgeneric | 5.15 | Not reported |
| Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.6 <* | * |
| Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.5 <* | * |
| Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPgeneric | >=V3.1.6 <* | * |
| Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPgeneric | >=V3.1.5 <* | * |
| Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.6 <* | * |
| Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.5 <* | * |
Published upstream
Mar 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 14, 2026
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.
Quoted source text, attributed separately from HOL analysis.
CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <9267d99fade76d44d4a133599524031fe684156e || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <976e6a7c51fabf150478decbe8ef5d9a26039b7c || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <8d8c70b57dbeda3eb165c0940b97e85373ca9354 || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <7ef219656febf5ae06ae56b1fce47ebd05f92b68 || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <9779a6eaaabdf47aa57910d352b398ad742e6a5f || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <fd508939dbca5eceefb2d0c2564beb15469572f2 || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <06909b2549d631a47fcda249d34be26f7ca1711d | 9267d99fade76d44d4a133599524031fe684156e, 976e6a7c51fabf150478decbe8ef5d9a26039b7c, 8d8c70b57dbeda3eb165c0940b97e85373ca9354, 7ef219656febf5ae06ae56b1fce47ebd05f92b68, 9779a6eaaabdf47aa57910d352b398ad742e6a5f, fd508939dbca5eceefb2d0c2564beb15469572f2, 06909b2549d631a47fcda249d34be26f7ca1711d |
| Linux/Linuxgeneric | 5.15 | Not reported |
| Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.6 <* | * |
| Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.5 <* | * |
| Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPgeneric | >=V3.1.6 <* | * |
| Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPgeneric | >=V3.1.5 <* | * |
| Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.6 <* | * |
| Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.5 <* | * |
Published upstream
Mar 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 14, 2026
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.
Quoted source text, attributed separately from HOL analysis.