CVE-2024-22010 in Android
Summary
by MITRE • 03/11/2024
In dvfs_plugin_caller of fvp.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
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Analysis
by VulDB Data Team • 11/05/2024
The vulnerability identified as CVE-2024-22010 resides within the dvfs_plugin_caller function in the fvp.c file, representing a critical out-of-bounds read flaw that compromises system security. This issue manifests as a missing bounds check during memory access operations, creating an exploitable condition that allows unauthorized information disclosure. The vulnerability specifically affects systems utilizing device virtualization frameworks where the dvfs plugin mechanism handles dynamic frequency scaling operations. The absence of proper boundary validation in the function's memory access patterns creates a scenario where an attacker can read data from memory locations beyond the intended buffer boundaries.
The technical implementation of this vulnerability stems from inadequate input validation within the dvfs_plugin_caller function, which processes requests related to device virtualization and frequency scaling operations. When the function processes incoming parameters or data structures, it fails to verify that array indices or memory offsets remain within acceptable limits. This flaw directly maps to CWE-129, which addresses insufficient bounds checking in software implementations. The vulnerability operates at the kernel level within virtualization frameworks, where the dvfs_plugin_caller function serves as a critical interface between virtualized device management and underlying hardware control mechanisms. The missing bounds check allows memory access beyond allocated buffer boundaries, potentially exposing sensitive kernel memory contents to unauthorized access.
The operational impact of CVE-2024-22010 extends beyond simple information disclosure, as it provides attackers with access to potentially sensitive kernel memory segments that may contain credentials, system configuration data, or other confidential information. This local privilege escalation vector requires no additional execution privileges and operates without user interaction, making it particularly dangerous in environments where virtualization is extensively used. The vulnerability affects systems running device virtualization frameworks that implement the dvfs plugin mechanism, potentially compromising the integrity of virtualized environments and exposing underlying system information. Attackers can leverage this flaw to gather intelligence about system configurations, kernel memory layouts, and potentially extract sensitive data that could aid in further exploitation attempts.
Mitigation strategies for CVE-2024-22010 should focus on implementing proper bounds checking within the dvfs_plugin_caller function and related memory access operations. Security patches should include validation of all array indices and memory offsets before access, ensuring that buffer boundaries are properly enforced. System administrators should prioritize applying vendor-provided security updates and patches that address the missing bounds check in the affected codebase. Additionally, implementing runtime protections such as stack canaries, address space layout randomization, and kernel hardening measures can provide defense-in-depth against exploitation attempts. Organizations should also conduct thorough code reviews of virtualization frameworks to identify similar patterns of insufficient bounds checking that may exist in other components of the system. The vulnerability aligns with ATT&CK technique T1059.001 for execution through kernel-level code and T1005 for data collection through information discovery mechanisms. Regular security assessments and monitoring of virtualization environments are essential to detect potential exploitation attempts and maintain system integrity against this class of memory safety vulnerabilities.