mlx5e driver

About this tag
The mlx5e driver is the Ethernet portion of the Linux kernel's mlx5 driver family, providing high-performance networking for Mellanox/NVIDIA ConnectX-class adapters. Discussions on WindowsForum.com cover several CVEs affecting this driver, including CVE-2026-43465 (an XDP multi-buffer accounting bug with a high CVSS score), CVE-2026-22996 (a stability bug causing kernel oops during devlink operations), and CVE-2023-53371 (a memory leak in error paths). While these are Linux kernel vulnerabilities, they matter to Windows users because modern environments often mix Windows with Linux appliances, Hyper-V guests, Kubernetes nodes, or WSL-based development, where mlx5e-based NICs are common. The content emphasizes the importance of applying vendor or upstream kernel patches to maintain system integrity and stability.

  1. CVE-2026-43465: mlx5e XDP multi-buffer accounting bug impacts Linux NIC security

    CVE-2026-43465 is a Linux kernel mlx5e network-driver flaw, published by NVD on May 8, 2026 and last modified on May 20, that affects Mellanox/NVIDIA mlx5 Ethernet receive paths when XDP multi-buffer programs reshape packet fragments under striding receive queues. The short version is less...
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    • linux kernel mlx5e driver network security xdp multi-buffer
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    • Forum: Security Alerts

  2. Kernel Patch Fix for Mellanox mlx5e CVE-2026-22996 Stability Oops

    A stability bug in the Linux kernel’s Mellanox mlx5e Ethernet driver — tracked as CVE-2026-22996 — has been fixed upstream; the defect could cause a kernel oops (NULL-pointer dereference) during devlink/devlink eswitch/profile operations, and operators running mlx5-based NICs should plan to...
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    • cve 2026 22996 devlink eswitch kernel stability mlx5e driver
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    • Forum: Security Alerts

  3. CVE-2023-53371: Linux mlx5e Driver Memory Leak Fix and Mitigation

    A subtle but important memory‑management bug in the Linux kernel’s Mellanox mlx5e network driver — tracked as CVE‑2023‑53371 — was patched upstream after maintainers discovered an error path that failed to free a dynamically allocated object, permitting a local attacker or misbehaving process to...
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    • cve 2023 53371 linux kernel memory leak mlx5e driver
    • Replies: 0
    • Forum: Security Alerts