CVE-2015-8615
5.0
MEDIUM
CVSS 3.1
EPSS 0.24%
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).
How to fix CVE-2015-8615
To remediate CVE-2015-8615, upgrade the affected package to a fixed version below.
- Debian/xen—upgrade to 4.8.0~rc3-1 or later
Is CVE-2015-8615 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.8.0~rc3-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.0 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L |