CVE-2022-42768 : Security Advisory and Response
Discover the local denial of service vulnerability (CVE-2022-42768) in Unisoc wlan driver affecting Android10/11/12 systems. Learn about impact, affected products, and mitigation steps.
A local denial of service vulnerability has been identified in the wlan driver of certain Unisoc devices, potentially triggered by a missing bounds check. This CVE impacts various Unisoc products running specific versions of the Android operating system.
Understanding CVE-2022-42768
This section delves into the specifics of the vulnerability and its impact.
What is CVE-2022-42768?
CVE-2022-42768 refers to a local denial of service vulnerability in the wlan driver due to a missing bounds check. This flaw could be exploited by an attacker to disrupt wlan services on affected devices.
The Impact of CVE-2022-42768
The impact of this CVE is limited to local denial of service attacks within the wlan services of vulnerable Unisoc devices. However, if left unmitigated, it could lead to service disruption and potentially affect device performance.
Technical Details of CVE-2022-42768
This section provides in-depth technical insights into the vulnerability and its implications.
Vulnerability Description
The vulnerability arises from a missing bounds check in the wlan driver of affected Unisoc devices, creating an avenue for local denial of service attacks within wlan services.
Affected Systems and Versions
Unisoc devices including SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8013 running Android10, Android11, or Android12 are susceptible to this vulnerability.
Exploitation Mechanism
Attackers can exploit the missing bounds check in the wlan driver to trigger a local denial of service scenario, disrupting wlan services on affected Unisoc devices.
Mitigation and Prevention
In this section, we explore the necessary steps to mitigate the risks associated with CVE-2022-42768.
Immediate Steps to Take
Device users and administrators are advised to apply security patches and updates provided by Unisoc to address this vulnerability promptly.
Long-Term Security Practices
Implementing robust security protocols, network segmentation, and access controls can bolster the overall security posture against similar vulnerabilities in the future.
Patching and Updates
Regularly check for security updates and patches released by Unisoc for the affected devices to ensure protection against known vulnerabilities.