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AMD security advisory (AV26-879)

Canadian Centre for Cyber Security advisory AV26-879 lists vulnerabilities across AMD EPYC, Ryzen, Threadripper, Instinct, and embedded processors, urging updates.

The September 3, 2026 advisory states AMD is affected by processor vulnerabilities as of September 2, 2026, spanning 2nd-4th Gen EPYC, Ryzen 3000-7045 series, Athlon, Threadripper, Radeon PRO V620, Instinct MI300A, and embedded product lines. It specifies required microcode package versions for each affected family and encourages users and administrators to review AMD's links and apply updates as they become available.

Canadian Centre for Cyber Security·Sep 3, 15:05 UTC · 13d agoAdvisory

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

AMD, Arm, and Nvidia issued Patch Tuesday advisories fixing a Linux GPU driver DoS flaw, nine Mali GPU vulnerabilities, and two high-severity Triton defects.

AMD fixed CVE-2026-43603, a NULL pointer dereference in its Linux GPU kernel driver that can crash systems and cause denial-of-service, credited to SecMate researchers, with patches for EPYC, Ryzen, Radeon, and Instinct shipped in July and embedded variants due in October. Arm published an advisory covering nine Mali GPU vulnerabilities allowing use-after-free access, kernel information leaks, or DoS, releasing fixes for Valhall and 5th Gen GPU Architecture drivers, with Bifrost also affected. Nvidia updated Triton Inference Server for Linux to resolve two high-severity flaws, one causing DoS and one enabling information disclosure, data tampering, and DoS. Intel had issued no new advisories since the previous Patch Tuesday.

SecurityWeek·Sep 9, 16:22 UTC · 7d agoAdvisoryCVE-2026-43603

USN-8728-1: Linux kernel (GCP) vulnerabilities

Ubuntu issued kernel security update USN-8728-1 for GCP kernels fixing Arm TLB and AMD Zen 2 privilege escalation flaws (CVE-2025-10263, CVE-2025-54518).

Ubuntu released USN-8728-1, a security update for the Linux kernel used on Google Cloud Platform images. It fixes CVE-2025-10263, where certain Arm processors complete broadcast TLB invalidation before memory writes are globally observed, allowing local attackers to bypass memory protections or escalate privileges, and CVE-2025-54518, an AMD Zen 2 operation cache isolation flaw that can corrupt higher-privilege instructions. The notice also corrects several other kernel security issues.

Ubuntu Security Notices·Sep 7, 09:05 UTC · 9d agoAdvisory 6 sourcesCVE-2025-10263CVE-2025-54518

Atiq Raza joins CyberSaint Growth Advisory Board

Help Net Security·Jan 10, 11:59 UTC · Jan 10, 2024Advisory

New Spectre-Style 'Pathfinder' Attack Targets Intel CPU, Leak Encryption Keys and Data

The Hacker News·May 8, 14:17 UTC · May 8, 2024Advisory

Riya Shanmugam joins New Relic as Group VP of Global Alliances and Channels

Help Net Security·Dec 1, 00:00 UTC · Dec 1, 2021Advisory

HPE expands its hybrid cloud portfolio with new workload-optimized infrastructure

Help Net Security·Jun 20, 00:00 UTC · Jun 20, 2019Advisory