CVE-2021-4135

MediumCVSS 5.5/10Last modified Oct 8, 2026

Description

A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-200CWE-401

Affected software

No affected versions have been published.

Timeline

Published
Jul 14, 2022
Last modified
Oct 8, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-413506.5Microsoft Exchange Server Spoofing VulnerabilityCVE-2021-413514.3Microsoft Edge (Chrome based) Spoofing on IE ModeCVE-2021-413527.5SCOM Information Disclosure VulnerabilityCVE-2021-413535.4Microsoft Dynamics 365 (on-premises) Spoofing VulnerabilityCVE-2021-413545.4Microsoft Dynamics 365 (on-premises) Cross-site Scripting VulnerabilityCVE-2021-413555.7.NET Core and Visual Studio Information Disclosure VulnerabilityCVE-2021-413567.5Windows Denial of Service VulnerabilityCVE-2021-413577.8Win32k Elevation of Privilege VulnerabilityCVE-2021-41367.8vim is vulnerable to Heap-based Buffer OverflowCVE-2021-413607.8HEVC Video Extensions Remote Code Execution VulnerabilityCVE-2021-413615.4Active Directory Federation Server Spoofing VulnerabilityCVE-2021-413634.2Intune Management Extension Security Feature Bypass Vulnerability
CVE-2021-4135: Medium severity, CVSS 5.5 | Vulnix