Articles from December 2025
Browse all Windows news articles published in December 2025
Linux Kernel CVE-2025-21907 Fix: Memory Poisoning Vulnerability Patched
The Linux kernel fix for CVE-2025-21907 closes a subtle but real correctness window in memory‑failure handling: the kernel now updates the TTU (try_to_u
CVE-2025-23135: RISC-V KVM Teardown Bug Explained & Linux Patch Analysis
A subtle ordering bug in the RISC‑V KVM teardown sequence has been assigned CVE‑2025‑23135 and patched upstream: during module removal the KVM cleanup path could call architecture‑specific cleanup rou
Linux Kernel CVE-2025-22124: MD Bitmap Bug Causes Clustermd Hangs - Windows Implications
A subtle arithmetic bug in the Linux kernel’s md/md-bitmap code — tracked as CVE‑2025‑22124 — can leave a clustermd node’s first superblock page unwritten and cause a deterministic hang in mdadm’s clu
Azure Linux CVE-2025-23131: Understanding Microsoft's Security Attestations and Real Impact
Microsoft’s short advisory 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 statement
CVE-2025-22111: Critical Linux Kernel Flaw Impacts Azure Linux, WSL2, and Microsoft Products
Title: CVE-2025-22111 — Is “Azure Linux” the only Microsoft product that ships the vulnerable code? Short answer No. Azure Linux is not the only Microsoft product th
CVE-2025-21927: Critical Linux NVMe/TCP Flaw Threatens Enterprise Storage Security
A subtle bounds-checking gap in the Linux NVMe over TCP path has been assigned CVE-2025-21927 and fixed upstream: a missing validation of the PDU header length in nvme_tcp_recv_pdu can allow a malform
CVE-2025-22115 BTRFS Vulnerability: Microsoft's Azure Linux Attestation & Windows Security Status
Short answer (TL;DR) No — Azure Linux is the only Microsoft product Microsoft has publicly attested (via its MSRC/VEX/CSAF work) to include the ups
CVE-2025-22022: Critical Azure Linux Vulnerability Threatens Cloud Security
Microsoft’s short statement 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 attesta
LoongArch Kernel Panic Risk: CVE-2025-21949 Hugetlbfs Unmap Alignment Fix
A Linux kernel correctness bug affecting LoongArch hugetlb mappings — tracked as CVE-2025-21949 — can produce a kernel BUG during hugetlbfs unmapping when the hugetlb mmap base is not aligned to the P
CVE-2025-21961: Critical bnxt Driver Bug Threatens Windows Server Stability
A critical memory-accounting bug in the Broadcom/NetXtreme-E (bnxt) Ethernet driver’s XDP-to-SKB conversion path can cause kernel crashes and service outages: CVE-2025-21961 is a truesize miscalculati
CVE-2025-22108: Linux Kernel bnxt_en Driver Vulnerability Explained
A recently published Linux-kernel vulnerability, tracked as CVE-2025-22108, patches an out-of-range handling bug in the Broadcom NetXtreme driver (bnxt_en) that can corrupt transmit descriptors and le
CVE-2025-21985: AMD Display Kernel Bug Threatens Azure Linux & WSL Security
Microsoft's public attestation narrows the immediate scope to the Azure Linux distribution, but the underlying vulnerability—an out-of-bounds access in the Linux kernel's AMD display stack—exists in u