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Medium severity · published Jan 8, 2016
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…
5.0
CVSS
1.2%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
4.6.0 · source: NVD
Affected product
XE
Xen
Xen
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8615
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8615
www.securityfocus.com
http://www.securityfocus.com/bid/79644
www.securitytracker.com
http://www.securitytracker.com/id/1034512
Vendor Advisory
http://xenbits.xen.org/xsa/advisory-169.html
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