CVE-2021-4135

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A memory leak issue was discovered in the Linux kernel's eBPF related to the Simulated networking device driver. This issue arises when a user utilizes BPF for the device in a way that the nsim map alloc elem function is called. As a result, a local user could exploit this flaw to gain unauthorized access to certain data. The vulnerability is associated with a lack of protection for internal data, which could allow an attacker to gain unauthorized access to the device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.