Google Fuchsia Kernel mmu_flags_to_s1_pte_attr permission

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Fuchsia. It has been declared as critical. This vulnerability affects the function mmu_flags_to_s1_pte_attr of the component Kernel. The manipulation results in permission. This vulnerability is cataloged as CVE-2021-22566. The attack must be initiated from a local position. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Google Fuchsia (version now known). It has been classified as critical. Affected is the function mmu_flags_to_s1_pte_attr of the component Kernel. The manipulation with an unknown input leads to a permission vulnerability. CWE is classifying the issue as CWE-275. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 01/18/2022. The advisory is shared for download at fuchsia.googlesource.com. This vulnerability is traded as CVE-2021-22566 since 01/05/2021. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1222.

Applying a patch is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.7
CNA Vector (Google Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Permission
CWE: CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/05/2021 🔍
01/18/2022 +378 days 🔍
01/18/2022 +0 days 🔍
01/20/2022 +2 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: fuchsia.googlesource.com
Status: Confirmed

CVE: CVE-2021-22566 (🔍)
GCVE (CVE): GCVE-0-2021-22566
GCVE (VulDB): GCVE-100-190644

Entryinfo

Created: 01/18/2022 16:22
Updated: 01/20/2022 09:38
Changes: 01/18/2022 16:22 (48), 01/20/2022 09:38 (1)
Complete: 🔍
Cache ID: 216::103

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