How severe is CVE-2015-0268?

CVE-2015-0268 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2015-0268 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-0268?

CVE-2015-0268 affects Xen. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-0268?

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

When was CVE-2015-0268 published?

CVE-2015-0268 was published on 2015-02-16 and last updated on 2026-06-17.

CVE-2015-0268

CVE-2015-0268 is a medium-severity vulnerability in Xen with a CVSS 2.0 base score of 4.9. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Xen
Published: 2015-02-16
Last modified: 2026-06-17

Description

The vgic_v2_to_sgi function in arch/arm/vgic-v2.c in Xen 4.5.x, when running on ARM hardware with general interrupt controller (GIC) version 2, allows local guest users to cause a denial of service (host crash) by writing an invalid value to the GICD.SGIR register.

Frequently asked questions

What is CVE-2015-0268?: The vgic_v2_to_sgi function in arch/arm/vgic-v2.c in Xen 4.5.x, when running on ARM hardware with general interrupt controller (GIC) version 2, allows local guest users to cause a denial of service (host crash) by writing an invalid value to the GICD.SGIR register.
How severe is CVE-2015-0268?: CVE-2015-0268 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2015-0268 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0268?: CVE-2015-0268 affects Xen. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-0268?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-0268 published?: CVE-2015-0268 was published on 2015-02-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*

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