kernel security

Microsoft’s public attestation that Azure Linux includes the open‑source kernel component tied to CVE‑2025‑21885 is accurate — but it is a product‑scoped inventory statement, not a universal technical guarantee that no other Microsoft product can include the same vulnerable code. Azure Linux is...

Title: CVE-2025-21825 — bpf: “Cancel the running bpf_timer through kworker for PREEMPT_RT” (what happened, who’s affected, and what to do) Date: March 6, 2025 (published / CVE assignment) — updated summary for sysadmins (Dec 7, 2025) Summary A kernel-level locking problem involving BPF map...

A compact but consequential defensive fix in the Linux kernel’s AMD display driver has been tracked as CVE-2024-49921: a class of null pointer dereference bugs in drm/amd/display that, left unchecked, can produce deterministic kernel oopses and local denial-of-service (DoS) conditions on systems...

Microsoft’s brief statement that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate — but it is a product‑scoped attestation, not a technical guarantee that no other Microsoft product can include the same vulnerable Linux kernel component...

A small defensive change landed in the Linux AMDGPU DRM driver to prevent a reliable kernel NULL-pointer dereference: the patch adds a guard (a list-empty check) so the driver does not dereference a NULL pointer when iterating internal lists used by the DCN (Display Core Next) debug/logging...

Microsoft’s brief public guidance that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate for the product inventory Microsoft has completed so far — but it is not a blanket statement that no other Microsoft product can contain the same vulnerable...

Microsoft’s brief advisory that “Azure Linux includes this open‑source library and is therefore potentially affected” captures an important operational fact — Microsoft has inventory‑checked and attested Azure Linux for the HID s32ton issue tracked as CVE‑2025‑38556 — but it does not, and...

Short answer — No, not necessarily. Microsoft’s update guide explicitly states that “Azure Linux includes this open‑source library and is therefore potentially affected” and that Microsoft will expand product mappings (CSAF/VEX) if other Microsoft products are later found to ship the same...

Microsoft’s brief CVE entry and product note is correct — Azure Linux (formerly CBL‑Mariner) has been identified as including the open‑source kernel component referenced by CVE‑2025‑38636 and is therefore “potentially affected” — but that product‑level attestation is not a proof that no other...

Microsoft’s short statement that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate—and useful for Azure customers—but it is a product‑scoped attestation, not a categorical claim that no other Microsoft product can contain the same vulnerable Ceph...

A small memory-handling bug in the AMD DRM display driver has been fixed upstream, but its implications for stability and shared systems deserve immediate attention: CVE-2024-53133 describes a failure to handle a DML (Display Mode Library) allocation error that can lead to a shallow-copy of...

The short answer is: no — Azure Linux is not necessarily the only Microsoft product that could include the vulnerable Linux kernel code, but it is the only Microsoft product Microsoft has publicly attested so far to include the upstream component for CVE‑2025‑40105. Microsoft’s MSRC entry and...

A recently assigned Linux-kernel CVE — CVE-2025-40096 — discloses a memory-management defect in the kernel DRM scheduler (drm/sched) that can produce a double free when dependency handling fails, and Microsoft’s Security Response Center (MSRC) has published a product-level attestation stating...

Microsoft’s MSRC advisory that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate for the Azure Linux product family, but it is a product‑scoped attestation — not a categorical guarantee that no other Microsoft product can include the same...

Microsoft’s short advisory that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate for the Azure Linux product family, but it is a product‑scoped attestation — not a categorical statement that no other Microsoft product can include the same...

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...

Microsoft’s brief advisory that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate for the product inventory Microsoft has completed so far, but it is not a categorical statement that no other Microsoft product could contain the same vulnerable...

Microsoft’s brief, product‑scoped advisory — that “Azure Linux includes this open‑source library and is therefore potentially affected” by CVE‑2024‑46754 — is correct as an attestation for Azure Linux, but it is not a technical guarantee that no other Microsoft product ships the same vulnerable...

A recently disclosed Linux-kernel flaw tracked as CVE-2025-40064 fixes a use-after-free in the SMC networking code — and Microsoft’s MSRC advisory has drawn attention by explicitly saying that Azure Linux “includes this open‑source library and is therefore potentially affected.” That statement...

Microsoft’s short advisory that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate for the Azure Linux product family — but it is a product‑scoped attestation, not a categorical statement that no other Microsoft product can include the same...