CVE-2013-6375

What it is

Xen 4.2.x and 4.3.x, when using Intel VT-d for PCI passthrough, does not properly flush the TLB after clearing a present translation table entry, which allows local guest administrators to cause a denial of service or gain privileges via unspecified vectors related to an "inverted boolean parameter."

At a glance

Exploitability

Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

1.4% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2013-11-23 11:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:00 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.4% in the next 30 days (EPSS).
• Severity: 7.9 HIGH (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2013-11-23 11:55 UTC

Last modified

2026-06-17 00:00 UTC

Exploit probability

1.4% · EPSS, next 30 days

Weakness

CWE-264

Record status

Modified

Affected

• Xen 4.2.1
• Xen 4.2.2
• Xen 4.2.3
• Xen 4.3.0
• Xen 4.3.1
• Opensuse 13.1

Attack profile CVSS 2.0 · 7.9

Attack vector

Adjacent network

Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

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