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Unrated severityNVD Advisory· Published Dec 17, 2015· Updated Jun 17, 2026

CVE-2015-8338

CVE-2015-8338

Description

Xen 4.6.x and earlier does not properly enforce limits on page order inputs for the (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange, and possibly other HYPERVISOR_memory_op suboperations, which allows ARM guest OS administrators to cause a denial of service (CPU consumption, guest reboot, or watchdog timeout and host reboot) and possibly have unspecified other impact via unknown vectors.

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Affected products

2
  • Xen/Xen2 versions
    cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*range: <=4.6.0
    • (no CPE)range: <=4.6.x

Patches

Vulnerability mechanics

References

4

News mentions

0

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