{"id":"CVE-2025-40330","state":"PUBLISHED","title":"bnxt_en: Shutdown FW DMA in bnxt_shutdown()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Shutdown FW DMA in bnxt_shutdown()\n\nThe netif_close() call in bnxt_shutdown() only stops packet DMA.  There\nmay be FW DMA for trace logging (recently added) that will continue.  If\nwe kexec to a new kernel, the DMA will corrupt memory in the new kernel.\n\nAdd bnxt_hwrm_func_drv_unrgtr() to unregister the driver from the FW.\nThis will stop the FW DMA.  In case the call fails, call pcie_flr() to\nreset the function and stop the DMA.","publishedAt":"2025-12-09T04:09:47.251Z","updatedAt":"2026-05-11T21:47:16.941Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"24d694aec139e9e0a31c60993db79bd8ad575afe","status":"affected","lessThan":"1a8a15c3f71d1199d510ccba4bc201cbd2204048","versionType":"git"},{"version":"24d694aec139e9e0a31c60993db79bd8ad575afe","status":"affected","lessThan":"bc7208ca805ae6062f353a4753467d913d963bc6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"]}],"references":["https://git.kernel.org/stable/c/1a8a15c3f71d1199d510ccba4bc201cbd2204048","https://git.kernel.org/stable/c/bc7208ca805ae6062f353a4753467d913d963bc6"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40330.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40330","state":"PUBLISHED","datePublished":"2025-12-09T04:09:47.251Z","dateUpdated":"2026-05-11T21:47:16.941Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.186Z"},"containers":{"cna":{"title":"bnxt_en: Shutdown FW DMA in bnxt_shutdown()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Shutdown FW DMA in bnxt_shutdown()\n\nThe netif_close() call in bnxt_shutdown() only stops packet DMA.  There\nmay be FW DMA for trace logging (recently added) that will continue.  If\nwe kexec to a new kernel, the DMA will corrupt memory in the new kernel.\n\nAdd bnxt_hwrm_func_drv_unrgtr() to unregister the driver from the FW.\nThis will stop the FW DMA.  In case the call fails, call pcie_flr() to\nreset the function and stop the DMA."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"24d694aec139e9e0a31c60993db79bd8ad575afe","status":"affected","lessThan":"1a8a15c3f71d1199d510ccba4bc201cbd2204048","versionType":"git"},{"version":"24d694aec139e9e0a31c60993db79bd8ad575afe","status":"affected","lessThan":"bc7208ca805ae6062f353a4753467d913d963bc6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/1a8a15c3f71d1199d510ccba4bc201cbd2204048"},{"url":"https://git.kernel.org/stable/c/bc7208ca805ae6062f353a4753467d913d963bc6"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:47:16.941Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.17.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}