linux kernel

The Linux kernel patch that closed a net/mdiobus flaw assigned CVE-2025-38110 has drawn renewed attention to how large vendors — Microsoft included — publish product-level attestations for open-source components and what those attestations actually mean for operators running other...

The Linux kernel patch that closed CVE-2025-38108 — a race in net_sched’s RED implementation (__red_change) — is a reminder that a named distributor’s attestation about a component is a valuable, product-scoped signal, not a universal proof that the component cannot appear elsewhere inside the...

The Linux kernel fix for CVE-2024-44931 patches a small but security-sensitive bug in GPIO handling that could allow userspace to induce speculative reads outside a GPIO descriptor array, and Microsoft’s public advisory names Azure Linux as a product that “includes this open‑source library and...

The Linux kernel received a targeted fix for a subtle but disruptive bug in its object‑aggregation helper: CVE‑2024‑43846 — “lib: objagg: Fix general protection fault”, a defect that can trigger a general protection fault (GPF) and turn routine operations into a local denial‑of‑service condition...

A deceptively small bug in the Linux kernel’s virtual Wi‑Fi driver — tracked as CVE‑2024‑43841 — has prompted an important question from customers: when Microsoft’s update guide states that “Azure Linux includes this open‑source library and is therefore potentially affected,” does that mean...

Microsoft’s brief FAQ line — “Azure Linux includes this open‑source library and is therefore potentially affected” — is accurate as a product‑level inventory statement, but it is not a technical guarantee that no other Microsoft product can include the same vulnerable code; the true blast radius...

A divide‑by‑zero bug in the Linux kernel’s serial core — tracked as CVE‑2024‑43893 — can be triggered by a malformed TIOCSSERIAL ioctl and lead to a kernel oops that knocks a host offline; the defect has been fixed upstream and backported into stable trees, but administrators and embedded device...

The recent CVE entry for CVE-2024-43891 — a Linux kernel tracing fix described as “tracing: Have format file honor EVENT_FILE_FL_FREED” — prompted a familiar question among Azure customers and enterprise operators: when Microsoft’s MSRC page says “Azure Linux includes this open‑source library...

A subtle race in the Linux SCSI qla2xxx driver that could crash hosts during NPIV or firmware reset sequences has been publicly documented as CVE-2024-42287; upstream maintainers have issued a targeted fix (complete command handling while holding the driver lock) and major distributions have...

A subtle pointer mix-up in the Linux kernel’s mISDN telephony driver — a use‑after‑free in hfcmulti_tx() — landed as CVE‑2024‑42280 and serves as another clear reminder that tiny lifecycle mistakes in kernel code can produce outsized operational pain for operators and vendors alike. The flaw is...

A subtle but consequential resource‑leak fix for the Linux kernel’s octeontx2‑pf driver — tracked as CVE‑2023‑52905 — closes a hole in the Virtual Function (VF) unbind path where allocated structures (notably mcam entries for Ntuple features and hash tables used by the traffic‑control (tc) code)...

The Linux kernel fix tracked as CVE-2022-48893 addresses a long-standing robustness gap in the Intel i915 DRM driver: when driver initialization aborts partway through GT/engine discovery, some engine structures could remain only partially initialized, leaving their cleanup hooks unset...

The Linux kernel received a surgical fix for a subtle JFS bug that could trigger a shift-out-of-bounds in the dbDiscardAG routine — a condition that, if exercised on vulnerable kernels, can cause kernel instability and denial-of-service. The problem is small in code footprint but meaningful in...

The Linux kernel’s graphics stack received a surgical but important fix addressing a potential use‑after‑free (UAF) in the Intel i915 driver: gem_context_register() could make a newly created context visible to userspace before the kernel had finished using the context pointer, opening a race...

A compact change in the Linux networking stack — the removal of a debug warning from the FOU/GUE receive path — landed as CVE-2024-44940 and has prompted a surprisingly broad operational conversation: a one-line silence in gue_gro_receive stopped noisy, easily‑constructed packets from triggering...

A null-pointer bug in the Linux kernel’s Direct Rendering Manager (DRM) client code — tracked as CVE‑2024‑43894 — is small in code size but broad in potential reach because the affected component lives in the upstream kernel tree and is reused across many Linux artifacts. Microsoft’s public...

A subtle but consequential race in the Linux kernel’s memory-control-group (memcg) ID management has been fixed: CVE-2024-43892 describes an insufficiently synchronized idr_remove() path on mem_cgroup_idr that could let multiple memcgs acquire the same ID and, in concrete fleets, has been linked...

A race condition in the Linux kernel's Marvell mvpp2 network driver can corrupt the parser TCAM/SRAM state and silently deny network availability by dropping all incoming unicast traffic — a bug tracked as CVE-2025-22060 that was fixed in upstream kernel trees by serializing access to the...

A subtle race in the Linux wireless stack — tracked as CVE-2025-21979 — can let a queued wiphy work item run after its owning wiphy object has already been freed, producing a classic use-after-free that reliably threatens system availability and, in worst cases, integrity; the Linux kernel...

A subtle memory-management mistake in the Intel ISH HID driver has been assigned CVE-2025-21928 and fixed upstream — the bug is a classic use-after-free in ishtp_hid_remove() that can cause random system crashes shortly after the driver is removed and therefore represents a real availability...