CVE-2020-36691

MEDIUM

Linux Kernel < 5.8 - Denial of Service via Unbounded Recursion in Netlink Policy

Title source: llm
STIX 2.1

Description

An issue was discovered in the Linux kernel before 5.8. lib/nlattr.c allows attackers to cause a denial of service (unbounded recursion) via a nested Netlink policy with a back reference.

References (2)

Core 2

Scores

CVSS v3 5.5
EPSS 0.0025
EPSS Percentile 16.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-674
Status published
Products (1)
linux/linux_kernel < 5.8
Published Mar 24, 2023
Tracked Since Feb 18, 2026