{"id":"CVE-2026-97573","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Handle buffer allocation failure in bnxt_rx_ring_reset()\n\nbnxt_rx_ring_reset() frees the ring buffers and then reallocates them,\nignoring the result.\n\nbnxt_all…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Handle buffer allocation failure in bnxt_rx_ring_reset()\n\nbnxt_rx_ring_reset() frees the ring buffers and then reallocates them,\nignoring the result.\n\nbnxt_all…","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 8fbf58e17dce8f250dda9ad6b0a49b3041f0af14 < 1a3670b6a6b5679fe56c5890157b344f091e64f8","Linux >= 8fbf58e17dce8f250dda9ad6b0a49b3041f0af14 < 4a17c73c83798c2fa9c7920ad5a98803adce3e01","Linux >= 8fbf58e17dce8f250dda9ad6b0a49b3041f0af14 < 8b2fd5c0aeda935294159206af9d6179282d425a","Linux >= 8fbf58e17dce8f250dda9ad6b0a49b3041f0af14 < 961e2a17c5e3559b3f8654d2daabdd25a42e770a","Linux 5.10"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T15:17:59.440","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97573","references":[{"url":"https://git.kernel.org/stable/c/1a3670b6a6b5679fe56c5890157b344f091e64f8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4a17c73c83798c2fa9c7920ad5a98803adce3e01","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8b2fd5c0aeda935294159206af9d6179282d425a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/961e2a17c5e3559b3f8654d2daabdd25a42e770a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T11:06:38.910Z","slug":"CVE-2026-97573","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Handle buffer allocation failure in bnxt_rx_ring_reset()\n\nbnxt_rx_ring_reset() frees the ring buffers and then reallocates them,\nignoring the result.\n\nbnxt_alloc_one_rx_ring() can fail in bnxt_alloc_one_tpa_info_data(), which\nreturns -ENOMEM on the first failed allocation and leaves the remaining\nrxr->rx_tpa[] entries zeroed.\n\nThe error isn't propagated up, so the loop in bnxt_rx_ring_reset\ncontinues and at the end the code re-enables TPA with partially\nunallocated rx_tpa array.\n\nThis means that when the agg_id from hardware is mapped to a SW index in\nrxr->rx_tpa[], an uninitialized slot can be chosen which would hand a\nzero DMA address to the device.\n\nFix this by falling back to a global reset, which is what the existing\ncode already does when other functions fail, but unlike the other\nfailure cases this particular failure has to return because TPA can't\nbe re-enabled since the allocation failed.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":210996,"id":"CVE-2026-97573","ts":1790349122318,"field":"cvss","old":null,"new":"8.1"},{"seq":210995,"id":"CVE-2026-97573","ts":1790349122318,"field":"severity","old":"none","new":"high"}]}