CVE-2020-29369

Published: Nov 28, 2020 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2020-21742 Aliases: GSD-2020-29369
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,0
Attack Vector: local
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 6,9
Access Vector: local
Access Complexity: medium
Authentication: none
Confidentiality: complete
Integrity: complete
Availability: complete

Description

AI Translation Available

An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe.

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
0,0008
Percentile
0,2th
Updated

EPSS Score Trend (Last 90 Days)

362

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

Draft
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
View CWE Details
Hardware

Hci Storage Node by Netapp

cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Linux Kernel by Linux

Version Range Affected
From 5.5 (inclusive)
To 5.7.11 (exclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Hci Management Node by Netapp

cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Solidfire by Netapp

cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Hardware

Hci Compute Node by Netapp

cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Linux Kernel by Linux

Version Range Affected
From 4.20 (inclusive)
To 5.4.54 (exclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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=2056
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2…
https://security.netapp.com/advisory/ntap-20210115-0001/
http://www.openwall.com/lists/oss-security/2021/02/10/6
Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/02/10/6
http://www.openwall.com/lists/oss-security/2021/02/19/8
Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/02/19/8
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=2056
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2…
https://security.netapp.com/advisory/ntap-20210115-0001/
http://www.openwall.com/lists/oss-security/2021/02/10/6
Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/02/10/6
http://www.openwall.com/lists/oss-security/2021/02/19/8
Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/02/19/8