Vulnerability in Xen

CVE-2015-8615

The hvm_set_callback_via function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of printk console messages when logging the new callback method, which allows local HVM guest OS users to cause a denial of service via a large number of changes to the callback method (HVM_PARAM_CALLBACK_IRQ).

EPSS: 0.012 (64.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L.

Affected products

  • Xen — versions 4.6.0
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2015-8615?
CVE-2015-8615 is a medium-severity vulnerability in Xen, classified under CWE-254. CVSS score: 5.0/10. Published 2016-01-08.
How severe is CVE-2015-8615?
Medium severity. CVSS v3 base score is 5.0 out of 10.