kernel security

Microsoft’s brief MSRC wording that “Azure Linux includes this open‑source library and is therefore potentially affected” is factually correct for the Azure Linux product family, but it is a product‑scoped attestation — not a categorical statement that no other Microsoft product could contain...

A recently assigned CVE, CVE-2025-68324, patches a classic kernel glitch in the Linux IMM parallel-port SCSI driver that allowed a use-after-free to occur when a delayed work item was still pending as the driver instance was torn down — the fix adds a synchronous cancellation to ensure the...

Microsoft’s short, machine‑readable advisory that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate — but it is an inventory attestation for a single product family, not proof that no other Microsoft artifact can or does contain the same vulnerable...

Microsoft’s MSRC advisory that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate — but it is a product‑level attestation, not a universal guarantee that other Microsoft products are free of the same Linux kernel Bluetooth code implicated by...

Microsoft’s brief 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 claim that Azure Linux is the only Microsoft product that could include the vulnerable code. Background /...

A recent upstream Linux kernel fix for CVE‑2025‑37961 addresses an uninitialized-value (KMSAN) finding in the IP Virtual Server (IPVS) codepath — specifically an uninitialized saddr value in do_output_route4 — and Microsoft’s Security Response Center (MSRC) has published an attestation that...

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

Microsoft confirmed a Windows kernel elevation-of-privilege flaw tracked as CVE-2024-30099 on June 11, 2024 — a time-of-check/time-of-use (TOCTOU) race-condition in kernel code that Microsoft rated as an important local Elevation of Privilege (EoP) and patched in the June 11, 2024 cumulative...

The Linux kernel has received a critical stability fix for a use‑after‑free in its NVMe stack: CVE‑2025‑68265 — described upstream as "nvme: fix admin request_queue lifetime" — which corrects the controller teardown ordering so that the controller's admin request_queue cannot be referenced after...

The Linux kernel has been assigned CVE-2025-68175 for a flaw in the NXP i.MX8 ISI (Image Sensor Interface) driver that can prematurely tear down an active video stream when userland issues a harmless query — a defect fixed upstream by moving streaming preparation and cleanup into the vb2...

The Linux kernel received a small but important patch that closes CVE-2025-68214 — a race in timer_shutdown_sync that could clear a timer’s function pointer while that timer was still active on another CPU, leaving a pending timer with a NULL callback and triggering a WARN_ON inside...

The Linux kernel received a targeted fix for CVE-2025-68193 that changes how the Intel Xe GuC control transport (CT) is torn down: maintainers added a devm-managed release action to ensure the CT is disabled before its backing buffer object (CTB) is freed, closing a deterministic use‑after‑free...

A small but critical defensive check landed in the AMDGPU Atom interpreter this month: a missing allocation check in amdgpu_atom_execute_table_locked could leave the driver with a NULL "WS" workspace pointer while its size field was non-zero, creating a deterministic NULL‑dereference that can...

A newly assigned CVE, CVE-2025-68257, closes a subtle but dangerous gap in the Linux kernel’s COMEDI driver by ensuring compat ioctl handlers verify whether a device is actually attached before performing operations — a change that eliminates a reproducible NULL-pointer kernel crash reported by...

A subtle but important kernel fix landed in mid‑December: a guarded change to the Radeon DRM driver removes an attempt to progress the wait queue from the dma‑fence “is_signaled” path, eliminating a class of self‑deadlocks that could hang the graphics stack. The patch — tracked as CVE‑2025‑68223...

The Linux kernel's F2FS driver has a newly assigned CVE — CVE-2025-40333 — describing an edge-case bug that can put the filesystem into an infinite loop inside __insert_extent_tree when presented with malformed extent metadata. The upstream maintainers fixed the logic by failing early and...

A locally reachable bug in the AMDGPU DRM driver was assigned CVE‑2025‑40334 after upstream Linux maintainers merged a defensive patch that validates user-provided GPU virtual addresses and buffer sizes for the userq (user-mode queue) facility, closing a reproducible crash/invalid-access...

Microsoft’s Security Update Guide lists CVE-2025-62465 as a DirectX Graphics Kernel denial-of-service (DoS) vulnerability that can be triggered by a local, authorized actor and that Microsoft has cataloged for remediation in its update feed. Background / Overview CVE-2025-62465 is reported as a...

Microsoft has assigned CVE-2025-62462 to a newly disclosed buffer over‑read in the Windows Projected File System (ProjFS) that can be abused by a local, authorized attacker to achieve elevation of privilege; the industry score for the issue is high (CVSS v3.1 ≈ 7.8) and the entry appears in...

A small but consequential fix landed in the stable Linux kernel this week to resolve CVE-2025-40306, an OrangeFS xattr-related bug that could lead to kernel oopses, hung processes and an accumulating kernel memory leak under repeated module activity — operators should treat this as a prioritized...