VDB-9009 · OSVDB 93934 · GCVE-100-9009

Linux Kernel LBR Address perf/x86/intel/lbr information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.8$0-$5k0.12

Summaryinfo

A vulnerability was found in Linux Kernel. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the file perf/x86/intel/lbr of the component LBR Address Handler. Performing a manipulation results in information disclosure. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel (Operating System) (version unknown). This affects an unknown function of the file perf/x86/intel/lbr of the component LBR Address Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

The weakness was shared 05/04/2013 by Peter Zijlstra as CVE Request: More perf security fixes as not defined mailinglist post (oss-sec). The advisory is shared at seclists.org. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (93934†). The entries VDB-8992 and VDB-9010 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: git.kernel.org

Timelineinfo

05/04/2013 🔍
05/04/2013 +0 days 🔍
06/07/2013 +34 days 🔍
03/20/2019 +2112 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: CVE Request: More perf security fixes
Researcher: Peter Zijlstra
Status: Not defined

GCVE (VulDB): GCVE-100-9009
OSVDB: 93934

See also: 🔍

Entryinfo

Created: 06/07/2013 17:35
Updated: 03/20/2019 13:22
Changes: 06/07/2013 17:35 (44), 03/20/2019 13:22 (2)
Complete: 🔍
Committer:
Cache ID: 216:A78:103

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