A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.
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Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2023-08-07. NVD baseline CVSS 7.8; sources differ by 0.0.
A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.
August 7, 2023
June 17, 2026
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | kernel-0:5.14.0-70.80.1.el9_0 | 2023-11-21 | redhat |
| redhat | kernel-rt-0:5.14.0-70.80.1.rt21.151.el9_0 | 2023-11-21 | redhat |
| redhat | kpatch-patch | 2023-11-21 | redhat |
| redhat | kernel-rt-0:5.14.0-284.30.1.rt14.315.el9_2 | 2023-09-12 | redhat |
| redhat | kernel-0:5.14.0-284.30.1.el9_2 | 2023-09-12 | redhat |
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.
Kernel: netfilter: nf_tables_newrule when adding a rule with nfta_rule_chain_id leads to use-after-free
RHSA-2023:5069 — Important
RHSA-2023:5091 — Important
RHSA-2023:5093 — Important
RHSA-2023:7382 — Important
RHSA-2023:7389 — Important
RHSA-2023:7411 — 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.
Explore the affected products and dependency analysis for CVE-2023-4147
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msrc · redhat
CWE-416