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CVE-2018-21040 Details

Description

An issue was discovered on Samsung mobile devices with O(8.x) and P(9.0) (Exynos 9810 chipsets) software. There is a race condition with a resultant use-after-free in the g2d driver. The Samsung ID is SVE-2018-12959 (December 2018).

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://security.samsungmobile.com/securityUpdate.smsb	CVE	Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-362	Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')	[email protected]
CWE-416	Use After Free	[email protected]

Affected Products

Product	Versions
google android	8.0 8.1 9.0
CPE cpe:2.3:o:google:android:8.0:::::::* cpe:2.3:o:google:android:8.1:::::::* cpe:2.3:o:google:android:9.0:::::::* Remediation No remediation found in references.
samsung exynos 9810	All versions
CPE cpe:2.3:h:samsung:exynos_9810:-:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Apr 9, 2020	Initial Analysis	[email protected]