Linux Kernel up to 5.11.3 iSCSI Data Structure iscsi_host_get_param PAGE_SIZE information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.8 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Linux Kernel up to 5.11.3. This vulnerability affects the function iscsi_host_get_param of the component iSCSI Data Structure Handler. Such manipulation of the argument PAGE_SIZE leads to information disclosure.
This vulnerability is uniquely identified as CVE-2021-27365. The attack can be launched remotely. No exploit exists.
It is best practice to apply a patch to resolve this issue.
Details
A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 5.11.3 (Operating System). Affected by this issue is the function iscsi_host_get_param of the component iSCSI Data Structure Handler. The manipulation of the argument PAGE_SIZE with an unknown input leads to a information disclosure vulnerability. 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 weakness was disclosed 03/07/2021. The advisory is available at bugzilla.suse.com. This vulnerability is handled as CVE-2021-27365. 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.
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Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.0VulDB Meta Temp Score: 5.9
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
02/17/2021 🔍03/07/2021 🔍
03/07/2021 🔍
03/29/2021 🔍
Sources
Vendor: kernel.orgAdvisory: bugzilla.suse.com
Status: Confirmed
CVE: CVE-2021-27365 (🔍)
GCVE (CVE): GCVE-0-2021-27365
GCVE (VulDB): GCVE-100-170822
Entry
Created: 03/07/2021 09:40Updated: 03/29/2021 07:10
Changes: 03/07/2021 09:40 (42), 03/29/2021 07:05 (5), 03/29/2021 07:10 (18)
Complete: 🔍
Cache ID: 216::103
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