Memory Leak Vulnerability in Linux Kernel's do_fork Function

CVE-2004-0427 · LOW Severity

AV:L/AC:L/AU:N/C:N/I:N/A:P

The do_fork function in Linux 2.4.x before 2.4.26, and 2.6.x before 2.6.6, does not properly decrement the mm_count counter when an error occurs after the mm_struct for a child process has been activated, which triggers a memory leak that allows local users to cause a denial of service (memory exhaustion) via the clone (CLONE_VM) system call.

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