Google Android 13.0 SurfaceFlinger.cpp SurfaceFlinger::doDump 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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6.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Android 13.0. It has been classified as problematic. Affected is the function SurfaceFlinger::doDump of the file SurfaceFlinger.cpp. Performing a manipulation results in use after free. This vulnerability is cataloged as CVE-2022-20540. The attack must be initiated from a local position. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Google Android 13.0 (Smartphone Operating System). This affects the function SurfaceFlinger::doDump of the file SurfaceFlinger.cpp. 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 summary by CVE is:

In SurfaceFlinger::doDump of SurfaceFlinger.cpp, there is possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-237291506

The weakness was shared 12/16/2022 as A-237291506. It is possible to read the advisory at source.android.com. This vulnerability is uniquely identified as CVE-2022-20540 since 10/14/2021. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/21/2026). 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-2022-25800). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

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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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

10/14/2021 🔍
12/16/2022 +428 days 🔍
12/16/2022 +0 days 🔍
04/21/2026 +1222 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-237291506
Status: Confirmed

CVE: CVE-2022-20540 (🔍)
GCVE (CVE): GCVE-0-2022-20540
GCVE (VulDB): GCVE-100-216039
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/16/2022 21:02
Updated: 04/21/2026 06:01
Changes: 12/16/2022 21:02 (42), 01/14/2023 06:50 (11), 04/18/2025 19:59 (16), 04/21/2026 06:01 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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