Known Exploited Vulnerability

CVE-2022-2586

Linux Kernel Use-After-Free Vulnerability

Past federal due date 49 public exploits Added 26 Jun 2024 Due 17 Jul 2024 · 751 days ago
VendorLinux
ProductKernel
WeaknessCWE-416
RansomwareNone confirmed

What the flaw is

Linux Kernel contains a use-after-free vulnerability in the nft_object, allowing local attackers to escalate privileges.

Description as published by CISA. We have not independently reproduced it.

What CISA requires

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

This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.

Public exploit code

49 public repositories referencing this CVE have been catalogued on GitHub. Treat this as a strong signal to prioritise patching, not as a verified working exploit — many such repositories are scanners, write-ups or forks rather than functional code.

Showing 8 of 49. Full list in the trickest/cve dataset.

Vendor advisories

Primary sources

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Source: CISA KEV catalog · last verified August 6, 2026. Rebuilt automatically twice a day.