{"cve":{"cve_id":"CVE-2026-46320","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":0.00235,"epss_percentile":0.14246,"epss_as_of":"2026-06-23","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntap: free page on error paths in tap_get_user_xdp()\n\ntap_get_user_xdp() rejects a frame shorter than ETH_HLEN with -EINVAL,\nand returns -ENOMEM when build_skb() fails. Both paths jump to the err\nlabel without freeing the page that vhost_net_build_xdp() allocated for\nthe frame. tap_sendmsg() discards the per-buffer return value and always\nreturns 0, so vhost_tx_batch() takes the success path and never frees\nthe page; each rejected frame in a batch leaks one page-frag chunk.\n\nFree the page on both error paths, before the skb is built. This is the\ntap counterpart of the same leak in tun_xdp_one().","published_at":"2026-06-09T12:11:12.882000Z","last_modified_at":null,"cvss_v3_score":7.4,"cvss_v3_vector":"CVSS:3.1/AV:A/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/8d03e65eb6cfbffec471a6b65416f93679bf3286","https://git.kernel.org/stable/c/f979971835dddbca86cf99e3b2e2b94a408a1ab2","https://git.kernel.org/stable/c/3f52a86a482a69294c50a5a2a097bd6f4104990a","https://git.kernel.org/stable/c/d30aac0fa00ca0afc3e08174cf7f974a66bdcf05","https://git.kernel.org/stable/c/d68eab61944a9b0826fa2e954e42db1aa3201b7a","https://git.kernel.org/stable/c/e27c17346628cb56843a83f93ac63c314c00f388","https://git.kernel.org/stable/c/18a84c35842e19cd3c5534d8cee73d31863f696d","https://git.kernel.org/stable/c/3bcf7aec6a9d16438f2cec29f5d7c8d5b8edf9b2"],"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":"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":"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":"0efac27791ee068075d80f07c55a229b1335ce12","version_start_inclusive":true,"version_end":"8d03e65eb6cfbffec471a6b65416f93679bf3286","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0efac27791ee068075d80f07c55a229b1335ce12:8d03e65eb6cfbffec471a6b65416f93679bf3286"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0efac27791ee068075d80f07c55a229b1335ce12","version_start_inclusive":true,"version_end":"f979971835dddbca86cf99e3b2e2b94a408a1ab2","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0efac27791ee068075d80f07c55a229b1335ce12:f979971835dddbca86cf99e3b2e2b94a408a1ab2"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0efac27791ee068075d80f07c55a229b1335ce12","version_start_inclusive":true,"version_end":"3f52a86a482a69294c50a5a2a097bd6f4104990a","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0efac27791ee068075d80f07c55a229b1335ce12:3f52a86a482a69294c50a5a2a097bd6f4104990a"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0efac27791ee068075d80f07c55a229b1335ce12","version_start_inclusive":true,"version_end":"d30aac0fa00ca0afc3e08174cf7f974a66bdcf05","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0efac27791ee068075d80f07c55a229b1335ce12:d30aac0fa00ca0afc3e08174cf7f974a66bdcf05"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0efac27791ee068075d80f07c55a229b1335ce12","version_start_inclusive":true,"version_end":"d68eab61944a9b0826fa2e954e42db1aa3201b7a","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0efac27791ee068075d80f07c55a229b1335ce12:d68eab61944a9b0826fa2e954e42db1aa3201b7a"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0efac27791ee068075d80f07c55a229b1335ce12","version_start_inclusive":true,"version_end":"e27c17346628cb56843a83f93ac63c314c00f388","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0efac27791ee068075d80f07c55a229b1335ce12:e27c17346628cb56843a83f93ac63c314c00f388"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0efac27791ee068075d80f07c55a229b1335ce12","version_start_inclusive":true,"version_end":"18a84c35842e19cd3c5534d8cee73d31863f696d","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0efac27791ee068075d80f07c55a229b1335ce12:18a84c35842e19cd3c5534d8cee73d31863f696d"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0efac27791ee068075d80f07c55a229b1335ce12","version_start_inclusive":true,"version_end":"3bcf7aec6a9d16438f2cec29f5d7c8d5b8edf9b2","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0efac27791ee068075d80f07c55a229b1335ce12:3bcf7aec6a9d16438f2cec29f5d7c8d5b8edf9b2"},{"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"}]}