CVE-2022-2586

MEDIUM5.3

CISA KEV

Published 2024-01-08 · Updated 2026-10-14 · Source security@ubuntu.com

Summary

CVE-2022-2586 is a medium-severity (CVSS 5.3) vulnerability in Linux Kernel. CISA added it to the Known Exploited Vulnerabilities catalog on June 26, 2024, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by July 17, 2024. CISA does not currently list it as used in ransomware campaigns. Linux has 32 vulnerabilities in the KEV catalog, 2 of them linked to ransomware.

All 32 known-exploited Linux vulnerabilities →

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.

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

CWE-416CWE-416

CISA Known-Exploited Vulnerability

Product: Linux — Kernel

Name: Linux Kernel Use-After-Free Vulnerability

Date added: 2024-06-26 · Due: 2024-07-17

Required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

References

View on NVD

More exploited Linux vulnerabilities

Most recently added to CISA KEV

CVE-2026-46300
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added 2026-10-28
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Kernel — Linux Kernel Race Condition Vulnerability
added 2026-09-18
CVE-2026-53266
Kernel — Linux Kernel Out-of-Bounds Write Vulnerability
added 2026-09-18
CVE-2025-39682
Kernel — Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability
added 2026-09-18
CVE-2026-53362
Kernel — Linux Kernel Unspecified Vulnerability
added 2026-08-27
CVE-2022-0995
Kernel — Linux Kernel Out-of-Bounds Write Vulnerability
added 2026-08-26

View all →

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