Chipmaker Patch Tuesday: Nvidia, AMD, Arm Issue Security Advisories

AMD, Arm, and Nvidia have issued security advisories addressing recently discovered vulnerabilities across their respective hardware and software ecosystems. AMD resolved CVE-2026-43603, a NULL pointer dereference issue in its Linux GPU kernel driver that poses a denial-of-service risk, with fixes currently available for EPYC Athlon, Ryzen, Radeon, and Instinct processors. Meanwhile, Arm addressed nine flaws in its Mali GPUs that could expose freed memory or sensitive kernel data, releasing updates for both Valhall and Bifrost architectures. Additionally, Nvidia patched two high-severity defects in the Triton Inference Server that allowed for information disclosure and data tampering.