CWE-910 使用过期的文件描述符

Use of Expired File Descriptor

结构: Simple

Abstraction: Base

状态: Incomplete

被利用可能性: Medium


The software uses or accesses a file descriptor after it has been closed.


After a file descriptor for a particular file or device has been released, it can be reused. The code might not write to the original file, since the reused file descriptor might reference a different file or device.


  • cwe_Nature: ChildOf cwe_CWE_ID: 672 cwe_View_ID: 1000 cwe_Ordinal: Primary


Language: [{'cwe_Name': 'C', 'cwe_Prevalence': 'Sometimes'}, {'cwe_Name': 'C++', 'cwe_Prevalence': 'Sometimes'}, {'cwe_Class': 'Language-Independent', 'cwe_Prevalence': 'Undetermined'}]


范围 影响 注释
Confidentiality Read Files or Directories The program could read data from the wrong file.
Availability DoS: Crash, Exit, or Restart Accessing a file descriptor that has been closed can cause a crash.


映射的分类名 ImNode ID Fit Mapped Node Name
CERT C Secure Coding FIO46-C Exact Do not access a closed file