Linux Kernel up to 5.9 Linking State code injection

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.9. It has been rated as critical. This impacts an unknown function of the component Linking State Handler. This manipulation causes code injection. This vulnerability is registered as CVE-2021-3411. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 5.9 (Operating System) and classified as critical. Affected by this vulnerability is an unknown function of the component Linking State Handler. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 03/10/2021. The advisory is shared at blog.pi3.com.pl. This vulnerability is known as CVE-2021-3411. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

Upgrading to version 5.10 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.10

Timelineinfo

02/12/2021 🔍
03/10/2021 +26 days 🔍
03/10/2021 +0 days 🔍
03/29/2021 +19 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: blog.pi3.com.pl
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3411 (🔍)
GCVE (CVE): GCVE-0-2021-3411
GCVE (VulDB): GCVE-100-170905

Entryinfo

Created: 03/10/2021 10:08
Updated: 03/29/2021 19:41
Changes: 03/10/2021 10:08 (41), 03/29/2021 19:37 (5), 03/29/2021 19:41 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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