Description

In Video HAL, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11375674; Issue ID: MSV-9571.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.4",
  "pubDate": "2026-10-05T02:16:50.660Z",
  "pubdate": "2026-10-05T02:16:50.660Z",
  "executiveSummary": "This vulnerability exists within the Video Hardware Abstraction Layer (HAL) and facilitates a local escalation of privilege (EoP). The defect stems from an insufficient bounds check, allowing an attacker to bypass memory safety mechanisms. The vulnerability is classified as a privilege escalation flaw, which permits a local, unprivileged process to gain higher-level permissions within the system context. No user interaction is required for successful exploitation, and the threat actor does not need additional execution privileges beyond those inherent to a standard local user account. The potential impact is significant, as successful exploitation enables an attacker to execute arbitrary code or access sensitive data with elevated privileges, potentially compromising the integrity and confidentiality of the entire operating system. This issue is identified by Issue ID MSV-9571 and Patch ID ALPS11375674.",
  "technicalDetails": "The vulnerability resides within the Video HAL component, which serves as the interface between the upper-level hardware abstraction layers and the underlying video processing hardware drivers. The root cause is identified as a missing bounds check during memory operations involving shared buffers or hardware-mapped memory regions. In typical Video HAL implementations, memory buffers are shared between user-space applications and kernel-space drivers; if the HAL fails to validate the size or offset parameters supplied by an untrusted source, it creates an out-of-bounds access condition.\nExploitation involves the manipulation of memory structures used by the Video HAL. Because the component lacks necessary boundary validation, an attacker can supply crafted input parameters—likely through an IPC (Inter-Process Communication) interface—that force the driver to perform read or write operations outside of the intended memory buffer range. This out-of-bounds condition may result in heap or stack memory corruption, depending on the specific memory region targeted by the HAL operation.\nThe attack flow proceeds as follows: First, the attacker identifies the interface used to communicate with the Video HAL. Second, the attacker crafts a malicious request that passes an invalid size or index parameter, deliberately designed to trigger the out-of-bounds access. Third, upon processing the request, the Video HAL performs an operation (such as a memory copy or data structure indexing) that exceeds the allocated buffer limits. Fourth, the memory corruption can then be leveraged to overwrite function pointers, return addresses, or sensitive object metadata, effectively hijacking the control flow of the privileged process.\nGiven that this vulnerability requires no additional execution privileges, any local application with access to the Video HAL service can initiate the exploit. The post-exploitation impact includes the transition of the attacker from an unprivileged state to a higher privilege level (typically system or root). By gaining elevated control, the attacker can bypass security policies, exfiltrate private media data, or maintain persistent access to the device. The lack of requirement for user interaction underscores the severity of the flaw, as it allows for automated or silent exploitation by malicious local applications installed on the device."
}