CVE-2015-8615
Publication date 8 January 2016
Last updated 25 August 2025
Ubuntu priority
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).
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| xen | ||
| 14.04 LTS trusty | Not in release | |
Notes
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.0 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Changed |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | Low |
| Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L |