CVE-2020-29368

Published: Nov 28, 2020 Last Modified: Nov 21, 2024
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,0
Source: [email protected]
Attack Vector: local
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 6,9
Source: [email protected]
Access Vector: local
Access Complexity: medium
Authentication: none
Confidentiality: complete
Integrity: complete
Availability: complete

Description

AI Translation Available

An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0010
Percentile
0,3th
Updated

EPSS Score Trend (Last 90 Days)

362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Confidentiality Integrity Access Control
Potential Impacts:
Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other) Dos: Crash, Exit, Or Restart Dos: Instability Read Files Or Directories Read Application Data Execute Unauthorized Code Or Commands Gain Privileges Or Assume Identity Bypass Protection Mechanism
Applicable Platforms
Languages: C, C++, Java
Technologies: Mobile, ICS/OT
Likelihood of Exploit: Medium
View CWE Details
Operating System

Hci Bootstrap Os by Netapp

Product Information
Vendor Netapp
Product Hci Bootstrap Os
Version -
cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

H410C Firmware by Netapp

Product Information
Vendor Netapp
Product H410C Firmware
Version -
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Linux Kernel by Linux

Product Information
Vendor Linux
Product Linux Kernel
Version Range Affected
From 5.5 (inclusive)
To 5.7.5 (exclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Linux Kernel by Linux

Product Information
Vendor Linux
Product Linux Kernel
Version Range Affected
From 4.20 (inclusive)
To 5.4.48 (exclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Cloud Backup by Netapp

Product Information
Vendor Netapp
Product Cloud Backup
Version -
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Linux Kernel by Linux

Product Information
Vendor Linux
Product Linux Kernel
Version Range Affected
From 4.10 (inclusive)
To 4.14.185 (exclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Element Software by Netapp

Product Information
Vendor Netapp
Product Element Software
Version -
cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Linux Kernel by Linux

Product Information
Vendor Linux
Product Linux Kernel
Version Range Affected
From 4.15 (inclusive)
To 4.19.129 (exclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Linux Kernel by Linux

Product Information
Vendor Linux
Product Linux Kernel
Version Range Affected
From 4.5.5 (inclusive)
To 4.9.228 (exclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Hci Management Node by Netapp

Product Information
Vendor Netapp
Product Hci Management Node
Version -
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Solidfire by Netapp

Product Information
Vendor Netapp
Product Solidfire
Version -
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://bugs.chromium.org/p/project-zero/issues/detail?id=2…
Exploit Issue Tracking Patch Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=2045
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5
Release Notes Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/li…
Patch Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c…
https://security.netapp.com/advisory/ntap-20210108-0002/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210108-0002/
https://bugs.chromium.org/p/project-zero/issues/detail?id=2…
Exploit Issue Tracking Patch Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=2045
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5
Release Notes Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/li…
Patch Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c…
https://security.netapp.com/advisory/ntap-20210108-0002/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210108-0002/