CVE-2019-17343

MEDIUMNVD 6.86.8—

6.8

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging incorrect use of the HVM physmap concept for PV domains.

CVSS v3: 6.8
EG Score: 6.8(medium)
EPSS: 30.7%
KEV: Not listed

Published

October 8, 2019

Last Modified

November 21, 2024

References (10)

cve@mitrehttp://www.openwall.com/lists/oss-security/2019/10/25/10
cve@mitrehttp://xenbits.xen.org/xsa/advisory-288.html
cve@mitrehttps://seclists.org/bugtraq/2020/Jan/21
cve@mitrehttps://www.debian.org/security/2020/dsa-4602
cve@mitrehttps://xenbits.xen.org/xsa/advisory-288.html
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2019/10/25/10
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-288.html
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2020/Jan/21
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4602
af854a3a-2127-422b-91ae-364da2661108https://xenbits.xen.org/xsa/advisory-288.html

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:20 UTCEG score recompute
2026-05-27 13:20 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2019-17343?

CVE-2019-17343 is a medium vulnerability published on October 8, 2019. An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging incorrect use of the HVM physmap concept for PV domains.

When was CVE-2019-17343 disclosed?

CVE-2019-17343 was first published in the National Vulnerability Database on October 8, 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-2019-17343 actively exploited?

CVE-2019-17343 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-17343?

CVE-2019-17343 has a CVSS v3 base score of 6.8 (NVD).

How do I remediate CVE-2019-17343?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-17343, 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-2019-17343

📅 Published

🔄 Last Modified

🔗 References (10)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-17343?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (10)

Frequently asked(5)

Related CVEs(same CWE)