CVE Catalog

CVE-2016-4558

High
Published: Translated: NVD NIST

Summary

The BPF subsystem in the Linux kernel before version 4.5.5 mishandles reference counts, allowing local users to cause a denial of service (use-after-free) or possibly other unspecified impacts via a crafted application on a system with more than 32 Gb of memory or a 1 Tb system.

Risk Assessment

Exploitation of this vulnerability may lead to denial of service, affecting system availability and potentially allowing local users to perform unauthorized actions.

Recommendation

It is recommended to update the Linux kernel to version 4.5.5 or later to mitigate this vulnerability.

Related vulnerabilities

Original NVD description (English source)

The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted application on (1) a system with more than 32 Gb of memory, related to the program reference count or (2) a 1 Tb system, related to the map reference count.

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