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

VendorProductVersions
n/akernelLinux kernel versions prior to 5.16-rc6

References

Timeline

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

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CVE-2021-4135: Medium severity, CVSS 5.5 | Vulnix