CVE-2020-36691

medium

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

https://github.com/torvalds/linux/commit/7690aa1cdf7c4565ad6b013b324c28b685505e24

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8

Details

Source: Mitre, NVD

Published: 2023-03-24

Updated: 2023-03-29

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H