Pixel's Proactive Approach to Security: Addressing Vulnerabilities in Cellular Modems

Google details Pixel 9’s hardened cellular baseband, adding compiler and runtime defenses (bounds and integer overflow sanitizers, stack canaries, CFI, zero-initialized stacks) and enhanced fuzzing/testing (ASan) to mitigate remote exploitation risks highlighted by threats like fake base stations and IMS-based attacks; no specific vulnerabilities, incidents, or IOCs are disclosed.