CVE-2020-29372

Published: Nov 28, 2020 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2020-21745 Aliases: GSD-2020-29372
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 4,7
Source: [email protected]
Attack Vector: local
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
MEDIUM 4,7
Source: [email protected]
Access Vector: local
Access Complexity: medium
Authentication: none
Confidentiality: none
Integrity: none
Availability: complete

Description

AI Translation Available

An issue was discovered in do_madvise in mm/madvise.c in the Linux kernel before 5.6.8. There is a race condition between coredump operations and the IORING_OP_MADVISE implementation, aka CID-bc0c4d1e176e.

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
0,0005
Percentile
0,2th
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

Ubuntu Linux by Canonical

Product Information
Vendor Canonical
Product Ubuntu Linux
Version 18.04
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Ubuntu Linux by Canonical

Product Information
Vendor Canonical
Product Ubuntu Linux
Version 14.04
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Ubuntu Linux by Canonical

Product Information
Vendor Canonical
Product Ubuntu Linux
Version 20.04
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Linux Kernel by Linux

Product Information
Vendor Linux
Product Linux Kernel
Version Range Affected
To 5.6.8 (exclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Ubuntu Linux by Canonical

Product Information
Vendor Canonical
Product Ubuntu Linux
Version 16.04
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
http://packetstormsecurity.com/files/162117/Kernel-Live-Pat…
Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-L…
https://bugs.chromium.org/p/project-zero/issues/detail?id=2…
Exploit Issue Tracking Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=2029
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8
Release Notes Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8
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=b…
http://packetstormsecurity.com/files/162117/Kernel-Live-Pat…
Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-L…
https://bugs.chromium.org/p/project-zero/issues/detail?id=2…
Exploit Issue Tracking Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=2029
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8
Release Notes Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8
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=b…