{"cve":{"cve_id":"CVE-2026-52912","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\nnetfilter: nf_queue: hold bridge skb->dev while queued\n\nbr_pass_frame_up() rewrites skb->dev from the ingress port to the bridge\nmaster before queueing bridge LOCAL_IN packets. NFQUEUE only holds\nreferences on state.in/out and bridge physdevs, so a queued bridge\npacket can retain a freed bridge master in skb->dev until reinjection.\n\nWhen the verdict is reinjected later, br_netif_receive_skb() re-enters\nthe receive path with skb->dev still pointing at the freed bridge master,\ntriggering a use-after-free.\n\nStore skb->dev in the queue entry, hold a reference on it for the queue\nlifetime, and use the saved device when dropping queued packets during\nNETDEV_DOWN handling.","published_at":"2026-06-24T07:14:10.583000Z","last_modified_at":null,"cvss_v3_score":7.8,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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/950d809f154dca04e5fbe5d3c8b9c5e44769cd57","https://git.kernel.org/stable/c/a698ac8ab2561cf575d2d9f34095032651dd952e","https://git.kernel.org/stable/c/19924bdd8a45ebc72a7b84c57fd63057d1dc75ac","https://git.kernel.org/stable/c/1e5e20031c5eee8d2e490a90ff4d6a2feecfc3be","https://git.kernel.org/stable/c/3823c27099cfe2482299065814adbaa771be9644","https://git.kernel.org/stable/c/15d464265120ab9818bd673af301deee09bedab2","https://git.kernel.org/stable/c/3fb0f5c0f64162a8c3f25616a4f1e340b921737f","https://git.kernel.org/stable/c/e196115ec330a18de415bdb9f5071aa9f08e53ce"],"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":"2026-06-28T23:30:49.088205Z"},"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":"L","value_label":"Low"},{"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":"ac28634456867b23b95faccba7997a62ec430603","version_start_inclusive":true,"version_end":"950d809f154dca04e5fbe5d3c8b9c5e44769cd57","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:ac28634456867b23b95faccba7997a62ec430603:950d809f154dca04e5fbe5d3c8b9c5e44769cd57"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"ac28634456867b23b95faccba7997a62ec430603","version_start_inclusive":true,"version_end":"a698ac8ab2561cf575d2d9f34095032651dd952e","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:ac28634456867b23b95faccba7997a62ec430603:a698ac8ab2561cf575d2d9f34095032651dd952e"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"ac28634456867b23b95faccba7997a62ec430603","version_start_inclusive":true,"version_end":"19924bdd8a45ebc72a7b84c57fd63057d1dc75ac","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:ac28634456867b23b95faccba7997a62ec430603:19924bdd8a45ebc72a7b84c57fd63057d1dc75ac"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"ac28634456867b23b95faccba7997a62ec430603","version_start_inclusive":true,"version_end":"1e5e20031c5eee8d2e490a90ff4d6a2feecfc3be","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:ac28634456867b23b95faccba7997a62ec430603:1e5e20031c5eee8d2e490a90ff4d6a2feecfc3be"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"ac28634456867b23b95faccba7997a62ec430603","version_start_inclusive":true,"version_end":"3823c27099cfe2482299065814adbaa771be9644","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:ac28634456867b23b95faccba7997a62ec430603:3823c27099cfe2482299065814adbaa771be9644"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"ac28634456867b23b95faccba7997a62ec430603","version_start_inclusive":true,"version_end":"15d464265120ab9818bd673af301deee09bedab2","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:ac28634456867b23b95faccba7997a62ec430603:15d464265120ab9818bd673af301deee09bedab2"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"ac28634456867b23b95faccba7997a62ec430603","version_start_inclusive":true,"version_end":"3fb0f5c0f64162a8c3f25616a4f1e340b921737f","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:ac28634456867b23b95faccba7997a62ec430603:3fb0f5c0f64162a8c3f25616a4f1e340b921737f"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"ac28634456867b23b95faccba7997a62ec430603","version_start_inclusive":true,"version_end":"e196115ec330a18de415bdb9f5071aa9f08e53ce","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:ac28634456867b23b95faccba7997a62ec430603:e196115ec330a18de415bdb9f5071aa9f08e53ce"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.7","version_start_inclusive":true,"version_end":"4.7","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4.7:4.7"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"4.7","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:4.7"},{"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":"5.15.209","version_start_inclusive":true,"version_end":"5.15.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.15.209:5.15.*"},{"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":"6.6.142","version_start_inclusive":true,"version_end":"6.6.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.6.142:6.6.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12.92","version_start_inclusive":true,"version_end":"6.12.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.12.92:6.12.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.34","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.34:6.18.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.11","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.11:7.0.*"},{"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/950d809f154dca04e5fbe5d3c8b9c5e44769cd57","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/a698ac8ab2561cf575d2d9f34095032651dd952e","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/19924bdd8a45ebc72a7b84c57fd63057d1dc75ac","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/1e5e20031c5eee8d2e490a90ff4d6a2feecfc3be","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/3823c27099cfe2482299065814adbaa771be9644","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/15d464265120ab9818bd673af301deee09bedab2","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/3fb0f5c0f64162a8c3f25616a4f1e340b921737f","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/e196115ec330a18de415bdb9f5071aa9f08e53ce","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T07:14:10.583000Z","label":"CVE published","source":null}]}