Linux Kernel perf/x86/intel/lbr PERF_SAMPLE_BRANCH_KERNEL information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.2 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Linux Kernel. Affected by this issue is the function PERF_SAMPLE_BRANCH_KERNEL of the component perf/x86/intel/lbr. Executing a manipulation can lead to information disclosure.
No exploit is available.
A patch should be applied to remediate this issue.
Details
A vulnerability classified as problematic was found in Linux Kernel (Operating System) (affected version unknown). This vulnerability affects the function PERF_SAMPLE_BRANCH_KERNEL of the component perf/x86/intel/lbr. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.
The weakness was published 05/05/2013 by Peter Zijlstra as CVE Request: More perf security fixes as not defined mailinglist post (oss-sec). The advisory is available at seclists.org. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.
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 (93935†). Similar entries are available at VDB-8992 and VDB-9009. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.3VulDB Meta Temp Score: 3.2
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: git.kernel.org
Timeline
05/05/2013 🔍05/05/2013 🔍
06/07/2013 🔍
03/20/2019 🔍
Sources
Vendor: kernel.orgAdvisory: CVE Request: More perf security fixes
Researcher: Peter Zijlstra
Status: Not defined
GCVE (VulDB): GCVE-100-9010
OSVDB: 93935
See also: 🔍
Entry
Created: 06/07/2013 17:38Updated: 03/20/2019 13:17
Changes: 06/07/2013 17:38 (44), 03/20/2019 13:17 (2)
Complete: 🔍
Committer:
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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