CVE-2021-25394 in Google and Samsung Products
Published on June 11, 2021
Known Exploited Vulnerability
This Samsung Mobile Devices Race Condition Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Samsung mobile devices contain a race condition vulnerability within the MFC charger driver that leads to a use-after-free allowing for a write given a radio privilege is compromised.
The following remediation steps are recommended / required by July 20, 2023: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
Vulnerability Analysis
CVE-2021-25394 is exploitable with local system access, and requires user privileges. This vulnerability is consided to have a high level of attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2021-25394 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2021-25394
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Affected Versions
Samsung Mobile Devices:- Version O(8.x), P(9.0), Q(10.0), R(11.0) and below SMR MAY-2021 Release 1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.