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mlx5 driver bug

About this tag
The mlx5 driver bug tag covers a specific Linux kernel vulnerability (CVE-2026-43199) in the Mellanox/NVIDIA mlx5 Ethernet driver. This bug occurs during IPsec MAC address handling within kernel workqueue execution, leading to a 'scheduling while atomic' error. The issue highlights the intersection of high-speed networking, cryptographic offload, and kernel scheduling rules. For WindowsForum readers, the relevance lies in understanding where Linux components like mlx5 drivers may be present in Windows environments, particularly in enterprise or hybrid infrastructure. The tag focuses on the technical details of the bug, its fix, and the broader lesson about kernel correctness in modern networking stacks.
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    CVE-2026-43199: Linux mlx5 IPsec driver fix and the “scheduling while atomic” lesson

    CVE-2026-43199 is a newly published Linux kernel vulnerability, disclosed by kernel.org and listed by Microsoft’s Security Update Guide on May 6, 2026, that fixes a Mellanox/NVIDIA mlx5 Ethernet driver bug triggered during IPsec MAC address handling in kernel workqueue execution. It is not the...
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    • ipsec offload linux kernel security microsoft security update guide mlx5 driver bug
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    • Forum: Security Alerts
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