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CVE-2020-36691

nvd nist
Published: Mar 24, 2023Modified: Jun 17, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: NVD

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.

Affected (1)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Linux Kernel
Before 5.8

Related CWEs

CWE-674
Uncontrolled Recursion
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

References (4)

Source: cve@mitre.org
Release Notes
Source: cve@mitre.org
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
Source: af854a3a-2127-422b-91ae-364da2661108
Patch

Timeline

No history available yet.