Learn about CVE-2022-42502, a critical Android kernel vulnerability that could enable local attackers to escalate privileges with no user interaction required. Find mitigation steps here.
A vulnerability in Android kernel could allow a local attacker to escalate privileges without user interaction.
Understanding CVE-2022-42502
This CVE involves a potential out-of-bounds write in FacilityLock::Parse of simdata.cpp, posing a risk of privilege escalation on Android systems.
What is CVE-2022-42502?
The CVE-2022-42502 vulnerability relates to a missing bounds check in FacilityLock::Parse of simdata.cpp, enabling a local attacker to execute arbitrary code with elevated privileges on affected Android devices.
The Impact of CVE-2022-42502
If exploited, this vulnerability could allow a malicious actor to gain elevated privileges on the target system without requiring any user interaction. This could lead to further compromise of the device and sensitive data.
Technical Details of CVE-2022-42502
This section provides detailed insights into the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises from a missing bounds check in FacilityLock::Parse of simdata.cpp, enabling an out-of-bounds write that could be leveraged by a local attacker for privilege escalation.
Affected Systems and Versions
The vulnerability affects Android devices running the Android kernel, potentially putting systems at risk of privilege escalation attacks.
Exploitation Mechanism
By exploiting the out-of-bounds write vulnerability in FacilityLock::Parse of simdata.cpp, a local attacker could craft malicious inputs to escalate their privileges on the targeted system.
Mitigation and Prevention
Here are the steps to mitigate the risks associated with CVE-2022-42502 on Android devices.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
It is crucial for Android users to promptly apply security patches released by the vendor to mitigate the CVE-2022-42502 vulnerability and enhance the overall security posture of their devices.