CVE-2019-20934

Published: Nov 28, 2020 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2019-11463 Aliases: GSD-2019-20934
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,3
Source: [email protected]
Attack Vector: local
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: high
MEDIUM 5,4
Source: [email protected]
Access Vector: local
Access Complexity: medium
Authentication: none
Confidentiality: partial
Integrity: none
Availability: complete

Description

AI Translation Available

An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c.

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
0,0004
Percentile
0,1th
Updated

EPSS Score Trend (Last 90 Days)

416

Use After Free

Stable
Abstraction: Variant Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Confidentiality
Potential Impacts:
Modify Memory Dos: Crash, Exit, Or Restart Execute Unauthorized Code Or Commands
Applicable Platforms
Languages: C, C++, Memory-Unsafe
Likelihood of Exploit: High
View CWE Details
Operating System

Linux Kernel by Linux

Product Information
Vendor Linux
Product Linux Kernel
Version 5.3
cpe:2.3:o:linux:linux_kernel:5.3:rc1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Linux Kernel by Linux

Product Information
Vendor Linux
Product Linux Kernel
Version Range Affected
From 5.2 (inclusive)
To 5.2.17 (inclusive)
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 4.19 (inclusive)
To 4.19.64 (exclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://bugs.chromium.org/p/project-zero/issues/detail?id=1…
Issue Tracking Vendor Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1913
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6
Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6
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=1…
https://bugs.chromium.org/p/project-zero/issues/detail?id=1…
Issue Tracking Vendor Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1913
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6
Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6
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=1…