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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Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-06-26), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 5.3 retained for reference. Confidence: HIGH.
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.
January 8, 2024
October 28, 2025
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
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.
RHSA-2022:7444 — Moderate
RHSA-2022:7683 — Moderate
RHSA-2022:7933 — Moderate
RHSA-2022:8267 — Moderate
RHSA-2024:0724 — Moderate
Kernel Live Patch Security Notice
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel (Intel IoTG) vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel (OEM) vulnerabilities
Linux kernel (Azure CVM) vulnerabilities
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 347 total refreshes for this CVE.
Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
gcc exploit.c -o exploit -lmnl -lnftnl -no-pie -lpthread
Open source ↗CVE-2022-2586: Linux kernel nft_object UAF
Open source ↗Explore the affected products and dependency analysis for CVE-2022-2586
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