CVE-2018-21040

HIGH

Samsung Android O(8.x) and P(9.0) - Use-After-Free via g2d Driver Race Condition

Title source: llm
STIX 2.1

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).

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://security.samsungmobile.com/securityUpdate.smsb

Scores

CVSS v3 8.1
EPSS 0.0031
EPSS Percentile 22.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-362 CWE-416
Status published
Products (3)
google/android 8.0
google/android 8.1
google/android 9.0
Published Apr 08, 2020
Tracked Since Feb 18, 2026