VYPR
Unrated severityNVD Advisory· Published Oct 30, 2015· Updated Jun 17, 2026

CVE-2015-7971

CVE-2015-7971

Description

Xen 3.2.x through 4.6.x does not limit the number of printk console messages when logging certain pmu and profiling hypercalls, which allows local guests to cause a denial of service via a sequence of crafted (1) HYPERCALL_xenoprof_op hypercalls, which are not properly handled in the do_xenoprof_op function in common/xenoprof.c, or (2) HYPERVISOR_xenpmu_op hypercalls, which are not properly handled in the do_xenpmu_op function in arch/x86/cpu/vpmu.c.

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Affected products

53

Patches

Vulnerability mechanics

References

10

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