Samsung Mobile Devices Memory Corruption Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM

6.1 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitation Likelihood

EPSS Prediction

0.49 %

Predictive Probability

Percentile Rank

65.5 th

Documented as more likely to be exploited than 65.5% of known CVEs.

Detection Date

Nov 08, 2022

Remediation Due

Nov 29, 2022

CISA Catalog Active

Threat Analysis

Samsung mobile devices using Mali GPU contain an incorrect implementation handling file descriptor in dpu driver. This incorrect implementation results in memory corruption, leading to kernel panic. This vulnerability was chained with CVE-2021-25337 and CVE-2021-25369.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

https://security.samsungmobile.com/securityUpdate.smsb

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2021-25370