Learn about CVE-2021-25407, an out-of-bounds write vulnerability in Samsung Mobile Devices NPU driver, allowing arbitrary memory writes. Find out the impact, affected systems, and mitigation steps.
A possible out of bounds write vulnerability in NPU driver prior to SMR JUN-2021 Release 1 allows arbitrary memory write.
Understanding CVE-2021-25407
This CVE identifies a potential out of bounds write vulnerability in the NPU driver of Samsung Mobile Devices before SMR JUN-2021 Release 1, which could enable unauthorized memory write operations.
What is CVE-2021-25407?
CVE-2021-25407 is a security vulnerability found in Samsung Mobile Devices' NPU driver software prior to the release of SMR JUN-2021 Release 1. This flaw may be exploited by malicious actors to conduct unauthorized memory write actions.
The Impact of CVE-2021-25407
The impact of CVE-2021-25407 could result in arbitrary memory write operations, potentially leading to unauthorized access, data corruption, or system crashes on affected Samsung mobile devices.
Technical Details of CVE-2021-25407
This section provides in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability involves an out of bounds write issue in the NPU driver of Samsung Mobile Devices, allowing attackers to perform unauthorized memory writes.
Affected Systems and Versions
Samsung Mobile Devices running on P(9.0), Q(10.0), R(11.0) with Exynos 9820, 9830, 980, and 2100 chipsets are affected prior to SMR JUN-2021 Release 1.
Exploitation Mechanism
Malicious actors could exploit this vulnerability by leveraging the out of bounds write capability in the NPU driver, enabling them to conduct unauthorized memory write operations.
Mitigation and Prevention
Protecting systems against CVE-2021-25407 is crucial to ensure the security of Samsung mobile device users.
Immediate Steps to Take
Users should update their Samsung devices to the latest SMR JUN-2021 Release 1 or subsequent versions to mitigate the risk of exploitation.
Long-Term Security Practices
Regularly update device software and firmware, monitor security bulletins from Samsung Mobile, and follow best security practices to enhance device security.
Patching and Updates
Apply security patches and updates provided by Samsung Mobile promptly to address known vulnerabilities and enhance device security.