CVE-2015-8615

5.0 mediumEPSS 1.2%

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).

Severity

CVSS 3.0

5.0 medium

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE: CWE-254
Published: 2016-01-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

xen:xen

References

http://www.securityfocus.com/bid/79644
http://www.securitytracker.com/id/1034512
http://xenbits.xen.org/xsa/advisory-169.html
http://www.securityfocus.com/bid/79644
http://www.securitytracker.com/id/1034512

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