linux kernel

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    Linux Kernel Patch CVE-2025-38111: MDIO Bounds Check Fix Prevents Out-of-Bounds IOCTL

    The Linux kernel patch that closed CVE-2025-38111 — a bounds‑check defect in net/mdiobus — is small in code but large in operational impact: it removes a user‑supplied MDIO address from an unchecked ioctl path that could be used to read or write beyond the kernel’s mdiobus statistics array, and...
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    CVE-2025-38109 Linux mlx5 UAF: Shutdown Fix and Azure Linux Attestation

    The Linux kernel patch that fixed CVE-2025-38109 addresses a use‑after‑free during shutdown in the mlx5 driver’s ECVF (embedded chip virtual function) vport teardown — and Microsoft’s public advisory and machine‑readable VEX/CSAF attestation currently name Azure Linux as the Microsoft product...
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    CVE-2025-38107: Azure Linux Attestation and Microsoft Artifact Risk

    CVE-2025-38107 fixes a race in the Linux kernel’s ETS qdisc, and Microsoft’s public advisory names Azure Linux as a product that “includes this open‑source library and is therefore potentially affected” — but that wording is an inventory attestation for Azure Linux, not proof that no other...
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    CVE-2025-38103: Linux HID Bug Fixed; Azure Linux Attestation Explained

    The Linux kernel bug tracked as CVE‑2025‑38103 — described upstream as “HID: usbhid: Eliminate recurrent out‑of‑bounds bug in usbhid_parse()” — has been fixed in the kernel stable trees, and Microsoft’s Security Response Center (MSRC) has published a product‑level attestation that Azure Linux...
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    CVE-2025-38091: Linux AMD DRM DML21 NULL Plane ID Guard Fix

    A subtle missing check in the Linux kernel’s AMD DRM display code has been cataloged as CVE-2025-38091 and corrected upstream; the defect can produce kernel warnings and, in some circumstances, a local denial-of-service by allowing the display stack to hit an oops when querying a plane...
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    CVE-2025-38129 Linux Kernel Page Pool UAF and Azure Linux Attestation

    The Linux kernel vulnerability tracked as CVE‑2025‑38129 is a use‑after‑free in the page_pool subsystem (page_pool_recycle_in_ring) that can cause kernel memory corruption or panics, and Microsoft’s public advisory naming Azure Linux as a product that “includes this open‑source library and is...
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    CVE-2025-38237: Exynos4 Camera Driver Patch and Azure Linux Attestation

    A small, one-line upstream kernel change fixed a subtle hardware‑synchronization bug in the Exynos4 camera driver — but the security conversation that followed has been about more than code: it’s about how vendors map open‑source components to products, what a vendor attestation actually means...
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    CVE-2025-38206 ExFAT Double Free: Azure Linux Attestation Explained

    Microsoft’s short MSRC line that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate — but it is a scoped, product‑level attestation rather than a blanket guarantee that no other Microsoft product could contain the same vulnerable exFAT code. erview...
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    Linux Kernel POSIX CPU Timer Race CVE-2025-38352 Fixed Upstream

    A subtle race in the Linux kernel’s POSIX CPU timer handling — tracked as CVE-2025-38352 — was fixed upstream in July 2025 after maintainers accepted a small, surgical change that prevents an exiting task from being reaped while posix CPU timer expiry handling is in flight. The flaw could lead...
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    Understanding CVE-2025-38239: Azure Linux Attestation and Patch Verification

    Microsoft’s short answer — that “Azure Linux includes this open‑source library and is therefore potentially affected” — is an authoritative, product‑level attestation, but it is not a technical guarantee that no other Microsoft product could contain the same vulnerable Linux kernel code...
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    CVE-2025-38226: Vivid Kernel Driver Risk in Azure Linux and Microsoft Artifacts

    CVE-2025-38226 is a Linux-kernel vulnerability in the Virtual Video Test Driver (vivid) that can cause a vmalloc out‑of‑bounds write; Microsoft has publicly attested that Azure Linux (the Azure Linux distribution formerly known as CBL-Mariner) includes the affected upstream component, but that...
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    CVE-2025-38212 Patch Priority: Azure Linux and Microsoft Kernel Audits

    The Linux kernel team fixed a use‑after‑free in the IPC subsystem — tracked as CVE‑2025‑38212 — and Microsoft’s public CVE entry names Azure Linux as a product that “includes this open‑source library and is therefore potentially affected.” That statement is an authoritative, product‑level...
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    CVE-2025-38193: Azure Linux SFQ Flaw and MSRC Attestation Explained

    Microsoft’s short MSRC attestation that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate for CVE‑2025‑38193 — but it is a product‑scoped inventory statement, not a technical guarantee that no other Microsoft product or published image could...
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    Kernel CVE-2025-38173: Zero-Length Skcipher Fix in Marvell CESA Driver

    The Linux kernel CVE-2025-38173 has been assigned to a small but consequential fix in the Marvell CESA crypto driver: the kernel now explicitly handles zero‑length skcipher requests by returning 0 instead of dereferencing memory it shouldn't touch. The change is tiny in code — a defensive check...
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    Linux Kernel LAN743x PTP Fix CVE-2025-38183 Keeps Time Sync Safe

    The Linux kernel received a surgical but important fix for an out‑of‑bounds write in the Microchip/Marvell lan743x Ethernet driver, tracked as CVE‑2025‑38183, that corrects a mismatch between the number of supported PTP event channels and the size of the internal timestamp array — a programming...
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    CVE-2025-38174: Linux Thunderbolt double dequeue causing kernel crashes at Azure Linux

    A kernel-level Thunderbolt bug tracked as CVE‑2025‑38174 — described upstream as "thunderbolt: Do not double dequeue a configuration request" — has been assigned after reports of kernel crashes caused by a double-dequeue operation in the Thunderbolt configuration request path. The immediate...
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    Linux Kernel F2FS CVE-2025-38163 Fix: Panic Avoided With fsck Flag

    The Linux kernel received a targeted fix for F2FS that prevents a kernel panic when the filesystem’s on-disk metadata disagrees with per-inode mapped-block counts — a sanity-check was added around sbi->total_valid_block_count so the system logs the inconsistency and marks the filesystem for fsck...
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    CVE-2025-38160: Raspberry Pi Clock Driver NULL Pointer Fix and Azure Linux Attestation

    The Linux kernel fix labeled CVE-2025-38160 patches a simple but meaningful null-pointer check omission in the Raspberry Pi clock driver: a call to devm_kasprintf() in raspberrypi_clk_register() could return NULL on allocation failure and the caller did not guard against that, allowing a kernel...
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    Understanding CVE-2025-38142: ASUS EC sensors bug in Azure Linux and Microsoft artifacts

    A bug in the Linux kernel’s hardware-monitoring driver for ASUS embedded‑controller sensors — tracked as CVE‑2025‑38142 — was fixed upstream this summer, and Microsoft’s advisory for the issue explicitly attests that Azure Linux is a product that includes the affected open‑source component...
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    CVE-2025-38157: Azure Linux attestation and broader Microsoft kernel risk

    The short answer is: No — Azure Linux is not necessarily the only Microsoft product that could include the vulnerable ath9k_htc code, but it is the only Microsoft product Microsoft has publicly attested so far as “including this open‑source library and therefore potentially affected.” That...
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