How severe is CVE-2014-1893?

CVE-2014-1893 has a CVSS 2.0 base score of 5.2, rated medium severity.

Is CVE-2014-1893 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-1893?

CVE-2014-1893 primarily affects Xen. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-1893?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-1893 published?

CVE-2014-1893 was published on 2014-04-01 and last updated on 2026-06-17.

CVE-2014-1893

CVE-2014-1893 is a medium-severity vulnerability in Xen with a CVSS 2.0 base score of 5.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

Severity: Medium (CVSS 2.0 base score 5.2)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Xen
Published: 2014-04-01
Last modified: 2026-06-17

Description

Multiple integer overflows in the (1) FLASK_GETBOOL and (2) FLASK_SETBOOL suboperations in the flask hypercall in Xen 4.1.x, 3.3.x, 3.2.x, and earlier, when XSM is enabled, allow local users to cause a denial of service (processor fault) via unspecified vectors, a different vulnerability than CVE-2014-1891, CVE-2014-1892, and CVE-2014-1894.

Frequently asked questions

What is CVE-2014-1893?: Multiple integer overflows in the (1) FLASK_GETBOOL and (2) FLASK_SETBOOL suboperations in the flask hypercall in Xen 4.1.x, 3.3.x, 3.2.x, and earlier, when XSM is enabled, allow local users to cause a denial of service (processor fault) via unspecified vectors, a different vulnerability than CVE-2014-1891, CVE-2014-1892, and CVE-2014-1894.
How severe is CVE-2014-1893?: CVE-2014-1893 has a CVSS 2.0 base score of 5.2, rated medium severity.
Is CVE-2014-1893 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-1893?: CVE-2014-1893 primarily affects Xen. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-1893?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-1893 published?: CVE-2014-1893 was published on 2014-04-01 and last updated on 2026-06-17.

References

Affected products (24)

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.2.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.2.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.2.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.2.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.3.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.3.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:*

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