Linux Foundation Xen up to 4.2.0 denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as critical has been found in Linux Foundation Xen up to 4.2.0 (Virtualization Software). This affects an unknown function. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

Xen 4.x, when downgrading the grant table version, does not properly remove the status page from the tracking list when freeing the page, which allows local guest OS administrators to cause a denial of service (hypervisor crash) via unspecified vectors.

The weakness was shared 12/13/2012 (Website). The advisory is shared at This vulnerability is uniquely identified as CVE-2012-5510 since 10/24/2012. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 74967 (openSUSE Security Update : xen (openSUSE-SU-2013:0637-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370048 (Citrix XenServer Security Update (CTX135777)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (80478) and Tenable (74967). The entries 7080, 7081, 7082 and 7083 are related to this item.







CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.2
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Denial of service
CWE: CWE-404
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 74967
Nessus Name: openSUSE Security Update : xen (openSUSE-SU-2013:0637-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892582
OpenVAS Name: Debian Security Advisory DSA 2582-1 (xen - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


10/24/2012 🔍
12/03/2012 +40 days 🔍
12/03/2012 +0 days 🔍
12/04/2012 +1 days 🔍
12/13/2012 +9 days 🔍
12/13/2012 +0 days 🔍
04/24/2013 +132 days 🔍
06/13/2014 +415 days 🔍
03/24/2015 +284 days 🔍
12/20/2021 +2463 days 🔍



Advisory: dsa-2582
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-5510 (🔍)

X-Force: 80478
Vulnerability Center: 39326 - Xen 4.* Improper Handling of Downgrading Grant Table Version Allows Local DoS Vulnerability, Low
SecurityFocus: 56794 - Xen Grant Table Local Denial of Service Vulnerability
Secunia: 51397 - Xen Multiple Vulnerabilities, Less Critical
OSVDB: 88128

See also: 🔍


Created: 03/24/2015 12:22 PM
Updated: 12/20/2021 08:00 PM
Changes: 03/24/2015 12:22 PM (70), 04/28/2017 09:13 AM (7), 12/20/2021 07:46 PM (3), 12/20/2021 07:53 PM (1), 12/20/2021 08:00 PM (1)
Complete: 🔍


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