CVE-2022-2586

MEDIUM CISA KEV
Published Jan 8, 2024 Modified Oct 28, 2025 CWE-416

Description

It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.

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CVSS v3.1 Score

5.3
MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild.

Added: Jun 26, 2024 Remediation due: Jul 17, 2024

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
canonical ubuntu_linux
canonical ubuntu_linux
canonical ubuntu_linux
canonical ubuntu_linux
canonical ubuntu_linux

References

Frequently Asked Questions

What is CVE-2022-2586? +
It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted. It has a CVSS v3.1 base score of 5.3 (MEDIUM). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
How severe is CVE-2022-2586? +
CVE-2022-2586 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2022-2586? +
CVE-2022-2586 affects products from canonical, linux, specifically: linux_kernel, ubuntu_linux. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2022-2586? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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