CVE-2017-15596

Severity

Theme

CVE-2017-15596

medium

New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service (prevent physical CPU usage) because of lock mishandling upon detection of an add-to-physmap error.

ID	Name	Product	Family	Severity
103979	Xen Hypervisor New CPU Interrupt Descriptor Table (IDT) Copy Handling Guest-to-Host Privilege Escalation (XSA-244)	Nessus	Misc.	high
103978	Xen Hypervisor Translated Guest Self-linear Shadow Mapping Handling Guest-to-Host Privilege Escalation (XSA-243)	Nessus	Misc.	high
103977	Xen Hypervisor Page Type Reference Handling Memory Exhaustion Guest-to-Host DoS (XSA-242)	Nessus	Misc.	high
103976	Xen Hypervisor TLB Flush Request Handling Race Condition System Memory Access Guest-to-Host Privilege Escalation (XSA-241)	Nessus	Misc.	high
103975	Xen Hypervisor Pagetable De-typing Recursion Handling Guest-to-Host DoS (XSA-240)	Nessus	Misc.	high
103974	Xen Hypervisor I/O Intercept Code Hypervisor Stack Guest-to-Host Information Disclosure (XSA-239)	Nessus	Misc.	high
103973	Xen Hypervisor Multiple Functions DMOP Handling Guest-to-Host DoS (XSA-238)	Nessus	Misc.	high
103972	Xen Hypervisor PCI MSI Interrupt Setup Multiple Guest-to-Host Privilege Escalation (XSA-237)	Nessus	Misc.	high
103146	Debian DSA-3969-1 : xen - security update	Nessus	Debian Local Security Checks	critical

CVE-2017-15596

medium

New! CVE Severity Now Using CVSS v3

Description

References

Details

Risk Information

CVSS v2

CVSS v3

Vulnerable Software

Configuration 1

Tenable Plugins

high

high

high

high

high

high

high

high

critical