RDMA/bnxt_re: Avoid repeated requests to allocate WC pages

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In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Avoid repeated requests to allocate WC pages Applications can request multiple WC pages for the same ucontext. As of now, only 1 WC page per ucontext is supported. Add a lock to avoid concurrent access and a check to fail repeated requests. Also, if the mmap entry insert fails for the WC, free the Doorbell page index mapped for the WC page.

Source published

15 Aug 2026 05:57:28 UTC

Source modified

21 Oct 2026 12:45:04 UTC

Observed here

23 Oct 2026 15:48:27 UTC

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CVSS 3.1 · 9.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H