CVE-2015-8615
MEDIUMXen 4.6 - Denial of Service via HVM_PARAM_CALLBACK_IRQ Changes
Title source: llmDescription
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).
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-169.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/79644
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1034512
Scores
CVSS v3
5.0
EPSS
0.0024
EPSS Percentile
47.4%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Details
CWE
CWE-254
Status
published
Products (1)
xen/xen
4.6.0
Published
Jan 08, 2016
Tracked Since
Feb 18, 2026