CVE-2018-12207

MEDIUMNVD 6.56.5—

6.5

Improper invalidation for page table updates by a virtual guest operating system for multiple Intel(R) Processors may allow an authenticated user to potentially enable denial of service of the host system via local access.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 49.8%
KEV: Not listed

Published

November 14, 2019

Last Modified

November 21, 2024

References (32)

secure@intelhttp://lists.opensuse.org/opensuse-security-announce/2019-12/msg00042.html
secure@intelhttps://access.redhat.com/errata/RHSA-2019:3916
secure@intelhttps://access.redhat.com/errata/RHSA-2019:3936
secure@intelhttps://access.redhat.com/errata/RHSA-2019:3941
secure@intelhttps://access.redhat.com/errata/RHSA-2020:0026
secure@intelhttps://access.redhat.com/errata/RHSA-2020:0028
secure@intelhttps://access.redhat.com/errata/RHSA-2020:0204
secure@intelhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5WWPW4BSZDDW7VHU427XTVXV7ROOFFW/
secure@intelhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZYATWNUGHRBG6I3TC24YHP5Y3J7I6KH/
secure@intelhttps://seclists.org/bugtraq/2020/Jan/21
secure@intelhttps://security.gentoo.org/glsa/202003-56
secure@intelhttps://support.f5.com/csp/article/K17269881?utm_source=f5support&amp%3Butm_medium=RSS
secure@intelhttps://usn.ubuntu.com/4186-2/
secure@intelhttps://www.debian.org/security/2020/dsa-4602
secure@intelhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00210.html

Patch Availability(23)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-virtual-lts-xenial (4.4.0.168.176) @ xenial	2026-05-27	ubuntu
ubuntu	linux-image-virtual-lts-xenial (4.4.0.168.147) @ trusty	2026-05-27	ubuntu
ubuntu	linux-image-virtual (5.0.0.35.37) @ disco	2026-05-27	ubuntu
ubuntu	linux-image-4.15.0-1063-azure (4.15.0-1063.68~14.04.1) @ trusty	2026-05-27	ubuntu
ubuntu	linux-image-virtual-hwe-16.04 (4.15.0.69.89) @ xenial	2026-05-27	ubuntu
ubuntu	linux-image-lowlatency (5.3.0.22.26) @ eoan	2026-05-27	ubuntu
redhat	kernel-0:4.18.0-80.15.1.el8_0	2020-01-22	redhat
redhat	kpatch-patch	2020-01-06	redhat
redhat	machine-os-content-container	2019-11-21	redhat
redhat	kernel-0:2.6.32-754.24.2.el6	2019-11-12	redhat
redhat	kernel-rt-0:3.10.0-1062.4.2.rt56.1028.el7	2019-11-12	redhat
redhat	kernel-rt-0:4.18.0-147.0.2.rt24.94.el8_1	2019-11-12	redhat
redhat	kernel-0:3.10.0-327.82.2.el7	2019-11-12	redhat
redhat	kernel-0:3.10.0-1062.4.2.el7	2019-11-12	redhat
redhat	kernel-0:3.10.0-862.43.2.el7	2019-11-12	redhat
redhat	kernel-0:4.18.0-147.0.2.el8_1	2019-11-12	redhat
redhat	kernel-0:3.10.0-514.70.2.el7	2019-11-12	redhat
redhat	kernel-0:3.10.0-693.60.2.el7	2019-11-12	redhat
redhat	kernel-0:3.10.0-957.38.2.el7	2019-11-12	redhat
redhat	kernel-rt-1:3.10.0-693.60.2.rt56.655.el6rt	2019-11-12	redhat
redhat	kernel-0:2.6.32-431.96.3.el6	2019-11-12	redhat
redhat	kernel-0:2.6.32-504.81.3.el6	2019-11-12	redhat
redhat	redhat-virtualization-host-0:4.3.6-20191108.0.el7_7	2019-11-12	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.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

All Vendor Advisories

(25)

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.

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

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.

2026-06-08 14:14 UTCEPSS rescore
2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-12207?

CVE-2018-12207 is a medium vulnerability published on November 14, 2019. Improper invalidation for page table updates by a virtual guest operating system for multiple Intel(R) Processors may allow an authenticated user to potentially enable denial of service of the host system via local access.

When was CVE-2018-12207 disclosed?

CVE-2018-12207 was first published in the National Vulnerability Database on November 14, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-12207 actively exploited?

CVE-2018-12207 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 49.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-12207?

CVE-2018-12207 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2018-12207?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-12207, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2018-12207

Published

Last Modified

References (32)

Patch Availability(23)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-12207?

Same vendor

Same CWE

CVE-2018-12207

📅 Published

🔄 Last Modified

🔗 References (32)

Patch Availability(23)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-12207?

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References (32)

Frequently asked(5)

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