CVE-2018-15468 is a Denial of Service vulnerability affecting Xen through version 4.11.x. It stems from improper validation of the DEBUGCTL MSR settings when vPMU is disabled, allowing a privileged guest to configure the Branch Trace Store in a way that locks up the host. This vulnerability has a CVSS score of 6.0 (Medium), indicating a local attack vector with low complexity, requiring high privileges, and resulting in a high impact on availability. There is no known exploit code available, nor is there any evidence of active exploitation or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.11.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
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