Vulnerability Details CVE-2015-7971
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 26.3%
CVSS Severity
CVSS v2 Score 2.1
Products affected by CVE-2015-7971
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cpe:2.3:o:xen:xen:4.1.6.1
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