{"cve":{"cve_id":"CVE-2026-52989","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":null,"epss_percentile":null,"epss_as_of":null,"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-tcp: propagate nvmet_tcp_build_pdu_iovec() errors to its callers\n\nCurrently, when nvmet_tcp_build_pdu_iovec() detects an out-of-bounds\nPDU length or offset, it triggers nvmet_tcp_fatal_error(cmd->queue)\nand returns early. However, because the function returns void, the\ncallers are entirely unaware that a fatal error has occurred and\nthat the cmd->recv_msg.msg_iter was left uninitialized.\n\nCallers such as nvmet_tcp_handle_h2c_data_pdu() proceed to blindly\noverwrite the queue state with queue->rcv_state = NVMET_TCP_RECV_DATA\nConsequently, the socket receiving loop may attempt to read incoming\nnetwork data into the uninitialized iterator.\n\nFix this by shifting the error handling responsibility to the callers.","published_at":"2026-06-24T16:29:03.398000Z","last_modified_at":null,"cvss_v3_score":9.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://git.kernel.org/stable/c/3df42a854686fa06484e37ac1a3931c8e3e3453c","https://git.kernel.org/stable/c/d7c8f95f599b3b38a717d2e771c3f8c174f657c3","https://git.kernel.org/stable/c/f9204a2b78dd18374d3bcf9bf93d9021ce22de1b","https://git.kernel.org/stable/c/c2a11441538bdbbc5aa003f190995eba93a89b88","https://git.kernel.org/stable/c/046fa5c72d15cd8e2d592e275697ea399d8f76b0","https://git.kernel.org/stable/c/ea8e356acb165cb1fd75537a52e1f66e5e76c538"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-28T17:55:22.518073Z","updated_at":"2026-06-28T23:30:49.890169Z"},"effective_severity":"CRITICAL","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"1385be357e8acd09b36e026567f3a9d5c61139de","version_start_inclusive":true,"version_end":"3df42a854686fa06484e37ac1a3931c8e3e3453c","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:1385be357e8acd09b36e026567f3a9d5c61139de:3df42a854686fa06484e37ac1a3931c8e3e3453c"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"dca1a6ba0da9f472ef040525fab10fd9956db59f","version_start_inclusive":true,"version_end":"d7c8f95f599b3b38a717d2e771c3f8c174f657c3","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:dca1a6ba0da9f472ef040525fab10fd9956db59f:d7c8f95f599b3b38a717d2e771c3f8c174f657c3"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"19672ae68d52ff75347ebe2420dde1b07adca09f","version_start_inclusive":true,"version_end":"f9204a2b78dd18374d3bcf9bf93d9021ce22de1b","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:19672ae68d52ff75347ebe2420dde1b07adca09f:f9204a2b78dd18374d3bcf9bf93d9021ce22de1b"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"ab200d71553bdcf4de554a5985b05b2dd606bc57","version_start_inclusive":true,"version_end":"c2a11441538bdbbc5aa003f190995eba93a89b88","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:ab200d71553bdcf4de554a5985b05b2dd606bc57:c2a11441538bdbbc5aa003f190995eba93a89b88"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"52a0a98549344ca20ad81a4176d68d28e3c05a5c","version_start_inclusive":true,"version_end":"046fa5c72d15cd8e2d592e275697ea399d8f76b0","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:52a0a98549344ca20ad81a4176d68d28e3c05a5c:046fa5c72d15cd8e2d592e275697ea399d8f76b0"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"52a0a98549344ca20ad81a4176d68d28e3c05a5c","version_start_inclusive":true,"version_end":"ea8e356acb165cb1fd75537a52e1f66e5e76c538","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:52a0a98549344ca20ad81a4176d68d28e3c05a5c:ea8e356acb165cb1fd75537a52e1f66e5e76c538"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"043b4307a99f902697349128fde93b2ddde4686c","version_start_inclusive":true,"version_end":"043b4307a99f902697349128fde93b2ddde4686c","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:043b4307a99f902697349128fde93b2ddde4686c:043b4307a99f902697349128fde93b2ddde4686c"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"42afe8ed8ad2de9c19457156244ef3e1eca94b5d","version_start_inclusive":true,"version_end":"42afe8ed8ad2de9c19457156244ef3e1eca94b5d","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:42afe8ed8ad2de9c19457156244ef3e1eca94b5d:42afe8ed8ad2de9c19457156244ef3e1eca94b5d"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.1.163","version_start_inclusive":true,"version_end":"6.1.175","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6.1.163:6.1.175"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.6.124","version_start_inclusive":true,"version_end":"6.6.141","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6.6.124:6.6.141"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12.70","version_start_inclusive":true,"version_end":"6.12.91","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6.12.70:6.12.91"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.10","version_start_inclusive":true,"version_end":"6.18.33","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6.18.10:6.18.33"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.10.250","version_start_inclusive":true,"version_end":"5.11","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:5.10.250:5.11"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.15.200","version_start_inclusive":true,"version_end":"5.16","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:5.15.200:5.16"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.19","version_start_inclusive":true,"version_end":"6.19","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.19:6.19"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"6.19","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:6.19"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.1.175","version_start_inclusive":true,"version_end":"6.1.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.1.175:6.1.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.6.141","version_start_inclusive":true,"version_end":"6.6.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.6.141:6.6.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12.91","version_start_inclusive":true,"version_end":"6.12.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.12.91:6.12.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.33","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.33:6.18.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.10","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.10:7.0.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.1","version_start_inclusive":true,"version_end":"*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.1:*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://git.kernel.org/stable/c/3df42a854686fa06484e37ac1a3931c8e3e3453c","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/d7c8f95f599b3b38a717d2e771c3f8c174f657c3","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/f9204a2b78dd18374d3bcf9bf93d9021ce22de1b","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/c2a11441538bdbbc5aa003f190995eba93a89b88","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/046fa5c72d15cd8e2d592e275697ea399d8f76b0","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/ea8e356acb165cb1fd75537a52e1f66e5e76c538","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T16:29:03.398000Z","label":"CVE published","source":null}]}