How severe is CVE-2014-1950?

CVE-2014-1950 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2014-1950 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-1950?

CVE-2014-1950 primarily affects Xen. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-1950?

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

When was CVE-2014-1950 published?

CVE-2014-1950 was published on 2014-02-14 and last updated on 2026-06-17.

CVE-2014-1950

CVE-2014-1950 is a medium-severity vulnerability in Xen with a CVSS 2.0 base score of 4.6. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 4.6)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Xen
Published: 2014-02-14
Last modified: 2026-06-17

Description

Use-after-free vulnerability in the xc_cpupool_getinfo function in Xen 4.1.x through 4.3.x, when using a multithreaded toolstack, does not properly handle a failure by the xc_cpumap_alloc function, which allows local users with access to management functions to cause a denial of service (heap corruption) and possibly gain privileges via unspecified vectors.

Frequently asked questions

What is CVE-2014-1950?: Use-after-free vulnerability in the xc_cpupool_getinfo function in Xen 4.1.x through 4.3.x, when using a multithreaded toolstack, does not properly handle a failure by the xc_cpumap_alloc function, which allows local users with access to management functions to cause a denial of service (heap corruption) and possibly gain privileges via unspecified vectors.
How severe is CVE-2014-1950?: CVE-2014-1950 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2014-1950 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-1950?: CVE-2014-1950 primarily affects Xen. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-1950?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-1950 published?: CVE-2014-1950 was published on 2014-02-14 and last updated on 2026-06-17.

References

Affected products (12)

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:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.6.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*

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