Is CVE-2018-19964 in the CISA KEV catalog?

No. CVE-2018-19964 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-19964?

CVE-2018-19964 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-19964?

CVE-2018-19964 has an EPSS score of 0.36% (28th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-19964?

Upgrade xen on debian 11 to 4.11.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2018-19964

MEDIUM

6.5

CVSS v3

NVD

Description

An issue was discovered in Xen 4.11.x allowing x86 guest OS users to cause a denial of service (host OS hang) because the p2m lock remains unavailable indefinitely in certain error conditions.

How to fix

Remediation Available

xenDebian

Fixed in:4.11.1-1CVE-2018-19964

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Exploit Intelligence

0.36%probability of exploitation in 30 days

28thpercentile

Low risk: more likely to be exploited than 28% of all known CVEs.

References

Patch1

xenbits.xen.org

Third-Party Advisory1

securityfocus.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.