net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.
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Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-06-03. NVD baseline CVSS 7.8; sources differ by 0.0.
net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.
June 2, 2022
November 21, 2024
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.
net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.
RHSA-2022:5214 — Important
RHSA-2022:5216 — Important
RHSA-2022:5220 — Important
RHSA-2022:5224 — Important
RHSA-2022:5232 — Important
RHSA-2022:5236 — Important
RHSA-2022:5249 — Important
RHSA-2022:5267 — Important
RHSA-2022:5439 — Important
RHSA-2022:5476 — Important
RHSA-2022:5626 — Important
RHSA-2022:5633 — Important
RHSA-2022:5636 — Important
RHSA-2022:5641 — Important
RHSA-2022:5648 — Important
RHSA-2022:5802 — Important
RHSA-2022:5804 — Important
RHSA-2022:5805 — Important
RHSA-2022:5806 — Important
RHSA-2022:5819 — Important
RHSA-2022:5834 — Important
RHSA-2022:5839 — Important
RHSA-2022:6073 — Important
RHSA-2022:6075 — Important
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.
Working exploit code is in the public domain (4 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
CVE-2022-32250-LPE
Open source ↗LPE PoC of a user-after-free vulnerability in the Linux netfilter subsystem.
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-32250
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msrc · redhat
CWE-416