VDB-82313 · CVE-2015-8553 · SBV-58182

XenSource Xen Kernel Memory information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in XenSource Xen. It has been rated as problematic. Affected by this vulnerability is an unknown functionality. The manipulation leads to information disclosure (Kernel Memory). This vulnerability is listed as CVE-2015-8553. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in XenSource Xen (Virtualization Software) (version unknown). It has been rated as critical. This issue affects an unknown function. The manipulation with an unknown input leads to a information disclosure vulnerability (Kernel Memory). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0777.

The weakness was presented 04/13/2016 (Website). The advisory is shared at access.redhat.com. The identification of this vulnerability is CVE-2015-8553 since 12/14/2015. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

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 vulnerability database at Vulnerability Center (SBV-58182†). See VDB-73983 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

ADP CISA Base Score: 6.5
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Kernel Memory
Class: Information disclosure / Kernel Memory
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Timelineinfo

12/14/2015 🔍
04/13/2016 +120 days 🔍
04/13/2016 +0 days 🔍
04/13/2016 +0 days 🔍
04/14/2016 +1 days 🔍
04/14/2016 +0 days 🔍
05/27/2026 +3694 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: access.redhat.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8553 (🔍)
GCVE (CVE): GCVE-0-2015-8553
GCVE (VulDB): GCVE-100-82313
Vulnerability Center: 58182 - Xen Remote Information Disclosure - CVE-2015-8553, Low

See also: 🔍

Entryinfo

Created: 04/14/2016 09:56
Updated: 05/27/2026 00:29
Changes: 04/14/2016 09:56 (53), 02/04/2019 15:01 (10), 05/27/2026 00:29 (26)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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