CVE Catalog

CVE-2016-6516

High
Published: Translated: NVD NIST

Summary

A race condition in the ioctl_file_dedupe_range function in the Linux kernel through version 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, known as a 'double fetch' vulnerability.

Risk Assessment

This vulnerability may lead to serious availability issues and potential unauthorized privilege escalation by local users.

Recommendation

It is recommended to update the Linux kernel to version 4.8 or later to mitigate this vulnerability.

Related vulnerabilities

Original NVD description (English source)

Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a "double fetch" vulnerability.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS