Is CVE-2012-5510 in the CISA KEV catalog?

No. CVE-2012-5510 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-5510?

CVE-2012-5510 has a CVSS v2 base score of 4.7 (MEDIUM).

What is the EPSS score for CVE-2012-5510?

CVE-2012-5510 has an EPSS score of 0.42% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-5510?

Upgrade xen on debian 11 to 4.1.3-5 or later.

CVE & CISA-KEV Catalog

CVE-2012-5510

MEDIUM

4.7

CVSS v2

NVD

Description

Xen 4.x, when downgrading the grant table version, does not properly remove the status page from the tracking list when freeing the page, which allows local guest OS administrators to cause a denial of service (hypervisor crash) via unspecified vectors.

How to fix

Remediation Available

xenDebian

Fixed in:4.1.3-5CVE-2012-5510

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.42%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Vendor Advisory4

Other references15

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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 2026-04-29.