Google Android drm_access_control.c valid_out_of_special_sec_dram_addr input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Google Android. Affected is the function valid_out_of_special_sec_dram_addr of the file drm_access_control.c. This manipulation causes input validation. This vulnerability is handled as CVE-2022-20586. It is possible to launch the attack on the local host. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (version now known). It has been declared as problematic. Affected by this vulnerability is the function valid_out_of_special_sec_dram_addr of the file drm_access_control.c. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In valid_out_of_special_sec_dram_addr of drm_access_control.c, there is a possible EoP due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-238718854References: N/A

The weakness was released 12/16/2022 as A-238718854. The advisory is shared at source.android.com. This vulnerability is known as CVE-2022-20586 since 10/14/2021. 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 04/22/2026). 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-25846). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Input validation
CWE: CWE-20
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

10/14/2021 🔍
12/16/2022 +428 days 🔍
12/16/2022 +0 days 🔍
04/22/2026 +1223 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-238718854
Status: Confirmed

CVE: CVE-2022-20586 (🔍)
GCVE (CVE): GCVE-0-2022-20586
GCVE (VulDB): GCVE-100-216061
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/16/2022 21:08
Updated: 04/22/2026 05:16
Changes: 12/16/2022 21:08 (41), 01/14/2023 08:37 (11), 04/18/2025 21:50 (16), 04/22/2026 05:16 (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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