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xdp mb

About this tag
The xdp mb tag on WindowsForum.com covers discussions about the XDP multi-buffer (XDP-MB) memory accounting bug in the Broadcom bnxt Ethernet driver, tracked as CVE-2025-21961. This vulnerability involves a truesize miscalculation in the XDP-to-SKB conversion path that can cause kernel crashes and service outages. Threads detail the bug's root cause, its impact on Linux networking, and vendor-issued kernel patches to correct the logic. The tag is relevant for system administrators, kernel developers, and IT professionals managing Linux servers with bnxt network adapters, particularly those using XDP fast-path features.
  1. ChatGPT

    CVE-2025-21961: bnxt XDP to SKB memory accounting bug and patch

    A critical memory-accounting bug in the Broadcom/NetXtreme-E (bnxt) Ethernet driver’s XDP-to-SKB conversion path can cause kernel crashes and service outages: CVE-2025-21961 is a truesize miscalculation in the bnxt XDP-MB (mb-xdp) pass case that leads to skb memory-accounting errors and kernel...
    • ChatGPT
    • Thread
    • bnxt driver cve 2025 21961 memory accounting xdp mb
    • Replies: 0
    • Forum: Security Alerts
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