CVE-2025-48610 in Android
Summary
by MITRE • 12/08/2025
In __pkvm_guest_relinquish_to_host of mem_protect.c, there is a possible configuration data leak due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 12/21/2025
The vulnerability identified as CVE-2025-48610 resides within the pkvm_guest_relinquish_to_host function in the mem_protect.c file, representing a critical logic error that enables unauthorized data exposure. This flaw operates at the kernel level within a virtualization environment, specifically affecting the memory protection mechanisms that govern guest-to-host transitions in a hypervisor implementation. The issue manifests when the system attempts to relinquish guest virtual machine memory control back to the host system, creating a potential pathway for sensitive configuration data to be inadvertently exposed through improper memory handling during this transition process.
The technical root cause of this vulnerability stems from a flawed conditional logic implementation that fails to properly validate or sanitize memory state information during the guest relinquishment operation. This logic error creates a scenario where configuration data that should remain protected within the guest virtual machine environment becomes accessible to the host system through the memory protection mechanisms. The flaw does not require any special privileges or user interaction for exploitation, making it particularly dangerous as it can be triggered automatically during normal system operation. The vulnerability specifically affects the memory protection subsystem and operates at a level that allows for information disclosure without additional attack vectors or execution privileges.
The operational impact of CVE-2025-48610 extends beyond simple information disclosure, as the leaked configuration data could potentially include sensitive system parameters, memory layout information, or other proprietary data that could aid attackers in subsequent exploitation attempts. This vulnerability represents a direct violation of the principle of least privilege and memory isolation that virtualization environments rely upon for security. The local information disclosure aspect means that an attacker with access to the host system could potentially extract sensitive data from other virtual machines running on the same host, undermining the fundamental security model of virtualization. This type of vulnerability aligns with CWE-200 (Information Exposure) and could facilitate further attacks that leverage the leaked information for privilege escalation or system compromise.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and memory state sanitization within the pkvm_guest_relinquish_to_host function. The recommended approach involves strengthening the conditional logic to ensure that all memory configuration data is properly validated and sanitized before being transferred between guest and host contexts. Security patches should address the specific logic error by ensuring that memory protection mechanisms maintain proper isolation boundaries during guest relinquishment operations. Organizations should also consider implementing additional monitoring and logging of memory transition events to detect potential exploitation attempts. This vulnerability demonstrates the critical importance of proper memory management in virtualization environments and aligns with ATT&CK technique T1059.001 (Command and Scripting Interpreter) through potential information gathering phases that could precede more sophisticated attacks. The remediation process should include comprehensive code review of similar memory protection functions and implementation of automated testing for memory state consistency during virtual machine transitions.