Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
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This medium-severity CVE scores 5.5 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 60% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
June 15, 2022
May 5, 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.
Intel: CVE-2022-21166 Device Register Partial Write (DRPW)
RHBA-2022:8351 — Moderate
RHSA-2022:5937 — Moderate
RHSA-2022:5939 — Moderate
RHSA-2022:6437 — Moderate
RHSA-2022:6460 — Moderate
RHSA-2022:6872 — Moderate
RHSA-2022:6983 — Moderate
RHSA-2022:6991 — Moderate
RHSA-2022:7279 — Moderate
RHSA-2022:7280 — Moderate
RHSA-2022:7933 — Moderate
RHSA-2022:8267 — Moderate
RHSA-2022:8973 — Moderate
RHSA-2022:8974 — Moderate
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel (OEM) vulnerabilities
Intel Microcode vulnerabilities
Linux kernel vulnerabilities
Linux kernel (AWS) vulnerabilities
Linux kernel (OEM) vulnerabilities
Intel Microcode vulnerabilities
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
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msrc · redhat
CWE-459