CVE-2021-4135

MEDIUM

Linux Kernel < 5.16 - Information Disclosure

Title source: rule

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.

References (1)

[Mailing List, Patch, Vendor Advisory] https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=481221775d53

Scores

CVSS v3 5.5

EPSS 0.0008

EPSS Percentile 22.7%

Attack Vector LOCAL

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

Classification

CWE

CWE-401 CWE-200

Status published

Affected Products (7)

linux/linux_kernel < 5.16

linux/linux_kernel

Timeline

Published Jul 14, 2022

Tracked Since Feb 18, 2026