CVE-2020-36691

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8	Release Notes
https://github.com/torvalds/linux/commit/7690aa1cdf7c4565ad6b013b324c28b685505e24	Patch
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8	Release Notes
https://github.com/torvalds/linux/commit/7690aa1cdf7c4565ad6b013b324c28b685505e24	Patch

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-03-24 17:15

Updated : 2025-02-21 16:15

NVD link : CVE-2020-36691

Mitre link : CVE-2020-36691

CVE.ORG link : CVE-2020-36691

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-674

Uncontrolled Recursion

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