Linux Kernel Vulnerability in Futex Handling by Vendor
CVE-2025-39976

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 15 October 2025

What is CVE-2025-39976?

A flaw in the Linux kernel's futex handling can lead to improper resource handling during process forking. Specifically, the error handling in the copy_process function utilizes an incorrect exit path after attempting to allocate resources in futex_hash_allocate_default(). This flaw could result in not acquiring necessary locks, leading to potential stability issues during process management. It is crucial for system administrators to ensure their kernels are updated to mitigate such vulnerabilities.

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