CVE-2020-36691

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8 release notes
https://github.com/torvalds/linux/commit/7690aa1cdf7c4565ad6b013b324c28b685505e24 patch

Frequently Asked Questions

What is the severity of CVE-2020-36691?
CVE-2020-36691 has been scored as a medium severity vulnerability.
How to fix CVE-2020-36691?
To fix CVE-2020-36691, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-36691 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-36691 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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