{"api_version":"1","generated_at":"2026-06-27T07:37:25+00:00","cve":"CVE-2026-53286","urls":{"html":"https://cve.report/CVE-2026-53286","api":"https://cve.report/api/cve/CVE-2026-53286.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53286","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53286"},"summary":{"title":"idpf: fix double free and use-after-free in aux device error paths","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix double free and use-after-free in aux device error paths\n\nWhen auxiliary_device_add() fails in idpf_plug_vport_aux_dev() or\nidpf_plug_core_aux_dev(), the err_aux_dev_add label calls\nauxiliary_device_uninit() and falls through to err_aux_dev_init.  The\nuninit call will trigger put_device(), which invokes the release\ncallback (idpf_vport_adev_release / idpf_core_adev_release) that frees\niadev.  The fall-through then reads adev->id from the freed iadev for\nida_free() and double-frees iadev with kfree().\n\nFree the IDA slot and clear the back-pointer before uninit, while adev\nis still valid, then return immediately.\n\nCommit 65637c3a1811 (\"idpf: fix UAF in RDMA core aux dev deinitialization\")\nfixed the same use-after-free in the matching unplug path in this file but\nmissed both probe error paths.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-26 20:17:21","updated_at":"2026-06-26 20:17:21"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/722b91d5086a249318c9d0e2b36aeac80ba8c808","name":"https://git.kernel.org/stable/c/722b91d5086a249318c9d0e2b36aeac80ba8c808","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6c77b9510829a424d1b74409b7db9456e3522871","name":"https://git.kernel.org/stable/c/6c77b9510829a424d1b74409b7db9456e3522871","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f319de7074e1728a9f9ff7134257360c694ec2b2","name":"https://git.kernel.org/stable/c/f319de7074e1728a9f9ff7134257360c694ec2b2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53286","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53286","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f4312e6bfa2a98e94dacc75f96f916b76bdf4259 722b91d5086a249318c9d0e2b36aeac80ba8c808 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f4312e6bfa2a98e94dacc75f96f916b76bdf4259 f319de7074e1728a9f9ff7134257360c694ec2b2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f4312e6bfa2a98e94dacc75f96f916b76bdf4259 6c77b9510829a424d1b74409b7db9456e3522871 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/intel/idpf/idpf_idc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"722b91d5086a249318c9d0e2b36aeac80ba8c808","status":"affected","version":"f4312e6bfa2a98e94dacc75f96f916b76bdf4259","versionType":"git"},{"lessThan":"f319de7074e1728a9f9ff7134257360c694ec2b2","status":"affected","version":"f4312e6bfa2a98e94dacc75f96f916b76bdf4259","versionType":"git"},{"lessThan":"6c77b9510829a424d1b74409b7db9456e3522871","status":"affected","version":"f4312e6bfa2a98e94dacc75f96f916b76bdf4259","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/intel/idpf/idpf_idc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.17","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix double free and use-after-free in aux device error paths\n\nWhen auxiliary_device_add() fails in idpf_plug_vport_aux_dev() or\nidpf_plug_core_aux_dev(), the err_aux_dev_add label calls\nauxiliary_device_uninit() and falls through to err_aux_dev_init.  The\nuninit call will trigger put_device(), which invokes the release\ncallback (idpf_vport_adev_release / idpf_core_adev_release) that frees\niadev.  The fall-through then reads adev->id from the freed iadev for\nida_free() and double-frees iadev with kfree().\n\nFree the IDA slot and clear the back-pointer before uninit, while adev\nis still valid, then return immediately.\n\nCommit 65637c3a1811 (\"idpf: fix UAF in RDMA core aux dev deinitialization\")\nfixed the same use-after-free in the matching unplug path in this file but\nmissed both probe error paths."}],"providerMetadata":{"dateUpdated":"2026-06-26T19:40:47.210Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/722b91d5086a249318c9d0e2b36aeac80ba8c808"},{"url":"https://git.kernel.org/stable/c/f319de7074e1728a9f9ff7134257360c694ec2b2"},{"url":"https://git.kernel.org/stable/c/6c77b9510829a424d1b74409b7db9456e3522871"}],"title":"idpf: fix double free and use-after-free in aux device error paths","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53286","datePublished":"2026-06-26T19:40:47.210Z","dateReserved":"2026-06-09T07:44:35.396Z","dateUpdated":"2026-06-26T19:40:47.210Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-26 20:17:21","lastModifiedDate":"2026-06-26 20:17:21","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53286","Ordinal":"1","Title":"idpf: fix double free and use-after-free in aux device error pat","CVE":"CVE-2026-53286","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53286","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix double free and use-after-free in aux device error paths\n\nWhen auxiliary_device_add() fails in idpf_plug_vport_aux_dev() or\nidpf_plug_core_aux_dev(), the err_aux_dev_add label calls\nauxiliary_device_uninit() and falls through to err_aux_dev_init.  The\nuninit call will trigger put_device(), which invokes the release\ncallback (idpf_vport_adev_release / idpf_core_adev_release) that frees\niadev.  The fall-through then reads adev->id from the freed iadev for\nida_free() and double-frees iadev with kfree().\n\nFree the IDA slot and clear the back-pointer before uninit, while adev\nis still valid, then return immediately.\n\nCommit 65637c3a1811 (\"idpf: fix UAF in RDMA core aux dev deinitialization\")\nfixed the same use-after-free in the matching unplug path in this file but\nmissed both probe error paths.","Type":"Description","Title":"idpf: fix double free and use-after-free in aux device error pat"}]}}}