Google Android fs/eventpoll.c use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android. It has been rated as critical. This affects an unknown part of the file fs/eventpoll.c. Performing a manipulation results in use after free. This vulnerability was named CVE-2021-39634. The attack needs to be approached locally. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Android (Smartphone Operating System) (version unknown). This affects an unknown function of the file fs/eventpoll.c. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 01/15/2022 as A-204450605. The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2021-39634 since 08/23/2021. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/15/2022). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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

08/23/2021 🔍
01/15/2022 +145 days 🔍
01/15/2022 +0 days 🔍
01/19/2022 +4 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-204450605
Status: Confirmed

CVE: CVE-2021-39634 (🔍)
GCVE (CVE): GCVE-0-2021-39634
GCVE (VulDB): GCVE-100-190533
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 01/15/2022 07:46
Updated: 01/19/2022 11:06
Changes: 01/15/2022 07:46 (40), 01/19/2022 11:06 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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