{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53177","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.389Z","datePublished":"2026-06-25T08:38:53.347Z","dateUpdated":"2026-07-04T11:51:01.988Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-07-04T11:51:01.988Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix NULL pointer dereference\n\nPCIe errors detected by a Root Port or Downstream Port cause error\nrecovery services to run on all subordinate devices regardless of\nadministrative state.\n\nThe .error_detected() callback, bnxt_io_error_detected(), disables\nand synchronizes IRQs via bnxt_disable_int_sync(), which calls\nbnxt_cp_num_to_irq_num() to map completion rings to IRQs using\nbp->bnapi.\n\nSince bp->bnapi is allocated on NIC open and freed on NIC close, PCIe\nerror recovery on a closed NIC can dereference a NULL pointer.\n\nCheck if bp->bnapi is NULL before disabling and synchronizing IRQs."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"],"versions":[{"version":"e5811b8c09df9bc80eabc95339fceded23f16289","lessThan":"1449177b87f768353909e930a99b902675119b2b","status":"affected","versionType":"git"},{"version":"e5811b8c09df9bc80eabc95339fceded23f16289","lessThan":"964b1c3eb71afe58bb61c8b984164447e000ae8a","status":"affected","versionType":"git"},{"version":"e5811b8c09df9bc80eabc95339fceded23f16289","lessThan":"59c5a3e69c7630a811565937e64be70b08436761","status":"affected","versionType":"git"},{"version":"e5811b8c09df9bc80eabc95339fceded23f16289","lessThan":"1a418ad0e5e525d1d117dd1601681f75455af320","status":"affected","versionType":"git"},{"version":"e5811b8c09df9bc80eabc95339fceded23f16289","lessThan":"08e57d014ea19f303d5d57a849beb846f37788b7","status":"affected","versionType":"git"},{"version":"e5811b8c09df9bc80eabc95339fceded23f16289","lessThan":"3884976f87448e269908ae61bd5d62d54ce9c0c7","status":"affected","versionType":"git"},{"version":"e5811b8c09df9bc80eabc95339fceded23f16289","lessThan":"580844a9683afe7974856dd5b7886447435b3474","status":"affected","versionType":"git"},{"version":"e5811b8c09df9bc80eabc95339fceded23f16289","lessThan":"d930276f2cddd0b7294cac7a8fe7b877f6d9e08d","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"],"versions":[{"version":"4.17","status":"affected"},{"version":"0","lessThan":"4.17","status":"unaffected","versionType":"semver"},{"version":"5.10.260","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.210","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.176","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.143","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.94","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.36","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.13","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.10.260"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.15.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.1.176"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.6.143"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.12.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.18.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"7.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/1449177b87f768353909e930a99b902675119b2b"},{"url":"https://git.kernel.org/stable/c/964b1c3eb71afe58bb61c8b984164447e000ae8a"},{"url":"https://git.kernel.org/stable/c/59c5a3e69c7630a811565937e64be70b08436761"},{"url":"https://git.kernel.org/stable/c/1a418ad0e5e525d1d117dd1601681f75455af320"},{"url":"https://git.kernel.org/stable/c/08e57d014ea19f303d5d57a849beb846f37788b7"},{"url":"https://git.kernel.org/stable/c/3884976f87448e269908ae61bd5d62d54ce9c0c7"},{"url":"https://git.kernel.org/stable/c/580844a9683afe7974856dd5b7886447435b3474"},{"url":"https://git.kernel.org/stable/c/d930276f2cddd0b7294cac7a8fe7b877f6d9e08d"}],"title":"bnxt_en: Fix NULL pointer dereference","x_generator":{"engine":"bippy-1.2.0"}}}}