{"cve":{"cve_id":"CVE-2026-46322","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":0.00129,"epss_percentile":0.02839,"epss_as_of":"2026-06-23","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntun: free page on build_skb failure in tun_xdp_one()\n\nWhen build_skb() fails in tun_xdp_one(), the function sets ret to\n-ENOMEM and jumps to the out label, which returns without freeing the\npage that vhost_net_build_xdp() allocated for the frame. As with the\nshort-frame rejection path, tun_sendmsg() discards the per-buffer error\nand still returns total_len, so vhost_tx_batch() takes the success path\nand never frees the page. Each build_skb() failure in a batch leaks one\npage-frag chunk.\n\nFree the page before taking the error path, matching the put_page() the\nother error exits of tun_xdp_one() already perform.","published_at":"2026-06-09T12:11:14.776000Z","last_modified_at":null,"cvss_v3_score":7.1,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/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/26fe549b5192536b6c1c68a2dfdc8c0dcf9fa4a9","https://git.kernel.org/stable/c/793385c154771603b8671dd8338927221e9d8d78","https://git.kernel.org/stable/c/2638a9c1521905bb5c5d1e95c8fbc09f79148ed7","https://git.kernel.org/stable/c/60d9c0d6cdde5420d6483c921b16fe5465eb5238","https://git.kernel.org/stable/c/d16e38fac09a47bfcf98c1ad65a1bb53f94540f5","https://git.kernel.org/stable/c/aa308e9dbb9acb17cacdbbce9e4504f69bac8385","https://git.kernel.org/stable/c/4fefc6156a162a9f50035c12091a5e5130c82c6e","https://git.kernel.org/stable/c/aa8963fdce667a42fb7f0bdd2909fadcab02f9a8"],"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":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:30:37.146260Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"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":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"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":"043d222f93ab8c76b56a3b315cd8692e35affb6c","version_start_inclusive":true,"version_end":"26fe549b5192536b6c1c68a2dfdc8c0dcf9fa4a9","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:043d222f93ab8c76b56a3b315cd8692e35affb6c:26fe549b5192536b6c1c68a2dfdc8c0dcf9fa4a9"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"043d222f93ab8c76b56a3b315cd8692e35affb6c","version_start_inclusive":true,"version_end":"793385c154771603b8671dd8338927221e9d8d78","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:043d222f93ab8c76b56a3b315cd8692e35affb6c:793385c154771603b8671dd8338927221e9d8d78"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"043d222f93ab8c76b56a3b315cd8692e35affb6c","version_start_inclusive":true,"version_end":"2638a9c1521905bb5c5d1e95c8fbc09f79148ed7","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:043d222f93ab8c76b56a3b315cd8692e35affb6c:2638a9c1521905bb5c5d1e95c8fbc09f79148ed7"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"043d222f93ab8c76b56a3b315cd8692e35affb6c","version_start_inclusive":true,"version_end":"60d9c0d6cdde5420d6483c921b16fe5465eb5238","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:043d222f93ab8c76b56a3b315cd8692e35affb6c:60d9c0d6cdde5420d6483c921b16fe5465eb5238"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"043d222f93ab8c76b56a3b315cd8692e35affb6c","version_start_inclusive":true,"version_end":"d16e38fac09a47bfcf98c1ad65a1bb53f94540f5","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:043d222f93ab8c76b56a3b315cd8692e35affb6c:d16e38fac09a47bfcf98c1ad65a1bb53f94540f5"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"043d222f93ab8c76b56a3b315cd8692e35affb6c","version_start_inclusive":true,"version_end":"aa308e9dbb9acb17cacdbbce9e4504f69bac8385","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:043d222f93ab8c76b56a3b315cd8692e35affb6c:aa308e9dbb9acb17cacdbbce9e4504f69bac8385"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"043d222f93ab8c76b56a3b315cd8692e35affb6c","version_start_inclusive":true,"version_end":"4fefc6156a162a9f50035c12091a5e5130c82c6e","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:043d222f93ab8c76b56a3b315cd8692e35affb6c:4fefc6156a162a9f50035c12091a5e5130c82c6e"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"043d222f93ab8c76b56a3b315cd8692e35affb6c","version_start_inclusive":true,"version_end":"aa8963fdce667a42fb7f0bdd2909fadcab02f9a8","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:043d222f93ab8c76b56a3b315cd8692e35affb6c:aa8963fdce667a42fb7f0bdd2909fadcab02f9a8"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.20","version_start_inclusive":true,"version_end":"4.20","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4.20:4.20"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"4.20","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:4.20"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.10.259","version_start_inclusive":true,"version_end":"5.10.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.10.259:5.10.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.15.210","version_start_inclusive":true,"version_end":"5.15.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.15.210:5.15.*"},{"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_st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published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:54:49.174395Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:54:49.174395Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:54:49.174395Z","label":"CVSS score revised","source":"cvelistv5"}]}