{"cve":{"cve_id":"CVE-2026-53147","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\nthunderbolt: Validate XDomain request packet size before type cast\n\ntb_xdp_handle_request() casts the received packet buffer to\nprotocol-specific structs without verifying that the allocation\nis large enough for the target type.  A peer can send a minimal\nXDomain packet that passes the generic header length check but is\nshorter than the struct accessed after the cast, causing out-of-\nbounds reads from the kmemdup allocation.\n\nPlumb the packet length through xdomain_request_work and validate\nit against the expected struct size before each cast.","published_at":"2026-06-25T08:38:33.547000Z","last_modified_at":null,"cvss_v3_score":8.1,"cvss_v3_vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","cvss_v3_severity":"HIGH","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/a770e62923090d7572f1f5a8507ae551d354a057","https://git.kernel.org/stable/c/0dd61ba03d05187726ecdf9c0e2175a81b9b24f6","https://git.kernel.org/stable/c/79235c8add5da4bf27a12f5a5dbb579f300c059e","https://git.kernel.org/stable/c/46da5c3ea011e884028a91cf913db093920a915b","https://git.kernel.org/stable/c/07cd2787cdf8942d24a1a3ef81aa89b526fb6381","https://git.kernel.org/stable/c/a504b9f2797b739e0304d537e8aa4ce883ecce39"],"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":"2026-06-28T17:55:28.590503Z","updated_at":"2026-06-28T23:30:50.753831Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"A","value_label":"Adjacent"},{"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":"N","value_label":"None"},{"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":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","version_start_inclusive":true,"version_end":"a770e62923090d7572f1f5a8507ae551d354a057","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cdae7c07e3e3509eaabc18c1640a55dc5b99c179:a770e62923090d7572f1f5a8507ae551d354a057"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","version_start_inclusive":true,"version_end":"0dd61ba03d05187726ecdf9c0e2175a81b9b24f6","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cdae7c07e3e3509eaabc18c1640a55dc5b99c179:0dd61ba03d05187726ecdf9c0e2175a81b9b24f6"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","version_start_inclusive":true,"version_end":"79235c8add5da4bf27a12f5a5dbb579f300c059e","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cdae7c07e3e3509eaabc18c1640a55dc5b99c179:79235c8add5da4bf27a12f5a5dbb579f300c059e"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","version_start_inclusive":true,"version_end":"46da5c3ea011e884028a91cf913db093920a915b","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cdae7c07e3e3509eaabc18c1640a55dc5b99c179:46da5c3ea011e884028a91cf913db093920a915b"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","version_start_inclusive":true,"version_end":"07cd2787cdf8942d24a1a3ef81aa89b526fb6381","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cdae7c07e3e3509eaabc18c1640a55dc5b99c179:07cd2787cdf8942d24a1a3ef81aa89b526fb6381"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","version_start_inclusive":true,"version_end":"a504b9f2797b739e0304d537e8aa4ce883ecce39","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cdae7c07e3e3509eaabc18c1640a55dc5b99c179:a504b9f2797b739e0304d537e8aa4ce883ecce39"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.15","version_start_inclusive":true,"version_end":"4.15","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4.15:4.15"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"4.15","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:4.15"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.1.176","version_start_inclusive":true,"version_end":"6.1.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.1.176:6.1.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.6.143","version_start_inclusive":true,"version_end":"6.6.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.6.143:6.6.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12.94","version_start_inclusive":true,"version_end":"6.12.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.12.94:6.12.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.36","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.36:6.18.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.13","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.13:7.0.*"},{"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/a770e62923090d7572f1f5a8507ae551d354a057","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/0dd61ba03d05187726ecdf9c0e2175a81b9b24f6","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/79235c8add5da4bf27a12f5a5dbb579f300c059e","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/46da5c3ea011e884028a91cf913db093920a915b","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/07cd2787cdf8942d24a1a3ef81aa89b526fb6381","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/a504b9f2797b739e0304d537e8aa4ce883ecce39","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-25T08:38:33.547000Z","label":"CVE published","source":null}]}