vex attestations

  1. Azure Linux Attestations and CVE-2025-39905: Product Scope vs Ecosystem Coverage

    Microsoft’s brief advisory that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate as a product‑level statement — but it is not a categorical proof that no other Microsoft product can include the same vulnerable kernel code. Background / Overview...
  2. CVE-2025-40083: Linux Kernel Null Pointer Fix and Azure Linux Attestation

    The Linux kernel fix for CVE-2025-40083 — a null-pointer dereference corrected in net/sched’s sch_qfq agg_dequeue routine — is real, narrow in scope, and already merged upstream; Microsoft’s public advisory that “Azure Linux includes this open‑source library and is therefore potentially...
  3. Understanding Azure Linux Attestations: VEX Is Product Scoped, Not Universal

    Microsoft’s concise MSRC wording that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate — but it is a product‑scoped attestation, not a categorical declaration that no other Microsoft product can or does include the same vulnerable Linux code...
  4. CVE-2024-41008: Azure Linux Attestation and Microsoft Kernel Risk

    Microsoft’s MSRC advisory that “Azure Linux includes this open‑source library and is therefore potentially affected” is an authoritative, product‑scoped attestation — but it is not a categorical guarantee that no other Microsoft product contains the same vulnerable AMDGPU code; Azure Linux is...
  5. Azure Linux VEX Attestation for CVE-2024-57809: What Defenders Should Do

    Microsoft’s public mapping that “Azure Linux includes this open‑source library and is therefore potentially affected” is a precise, product‑level attestation — and it should be treated as an authoritative signal for any organization that runs Azure Linux images — but it is not a categorical...
  6. CVE-2025-39764: Azure Linux Attestation and Potential Microsoft Kernel Exposure

    A subtle netfilter change in the upstream Linux kernel — logged as CVE-2025-39764 — was introduced to remove unsafe reference-counting in the conntrack expectation dump path, fixing a race that could lead to a kernel memory leak; Microsoft’s public attestation names Azure Linux as a product that...
  7. Azure Linux CVE-2025-39829 Attestations Explained

    Microsoft’s initial advisory for CVE-2025-39829 makes a narrow, but important, claim: Azure Linux is the Microsoft product Microsoft has identified so far as including the affected open‑source component (the kernel trace fgraph notifier code), and Microsoft will update its CVE/VEX attestations...