{"cve":{"cve_id":"CVE-2026-53218","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: nft_exthdr: fix register tracking for F_PRESENT flag\n\nnft_exthdr_init() passes user-controlled priv->len to\nnft_parse_register_store(), which marks that many bytes in the\nregister bitmap as initialized.  However, when NFT_EXTHDR_F_PRESENT\nis set, the eval paths write only 1 byte (nft_reg_store8) or\n4 bytes (*dest = 0 on TCP/DCCP error path).  When len > 4,\nregisters beyond the first are never written, retaining\nuninitialized stack data from nft_regs.\n\nBail out if userspace requests too much data when F_PRESENT is set.","published_at":"2026-06-25T08:39:21.069000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"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/8738b1b6d0e639ca1fc0f61516afd3557ac4ecc6","https://git.kernel.org/stable/c/19748967d59c31d24d21d40b728570788310b237","https://git.kernel.org/stable/c/46fc15a044e9938e7ea77786fb37edd2cd74f031","https://git.kernel.org/stable/c/cd513e43b4b2bd1de39e2367bc4261c699a8652f","https://git.kernel.org/stable/c/67b27434c43b68a97becda98c9f0c8cf6cba2134","https://git.kernel.org/stable/c/78069a6d8bc86c9e036eb82c2af4a19cc1871a53","https://git.kernel.org/stable/c/f08fb3d42fd3aad0b7a263da3ac3ebaf0845e265","https://git.kernel.org/stable/c/772cecf198da732faebb5dcfc46d66a505be8495"],"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":"2026-06-28T23:30:51.545322Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783","version_start_inclusive":true,"version_end":"8738b1b6d0e639ca1fc0f61516afd3557ac4ecc6","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783:8738b1b6d0e639ca1fc0f61516afd3557ac4ecc6"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783","version_start_inclusive":true,"version_end":"19748967d59c31d24d21d40b728570788310b237","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783:19748967d59c31d24d21d40b728570788310b237"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783","version_start_inclusive":true,"version_end":"46fc15a044e9938e7ea77786fb37edd2cd74f031","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783:46fc15a044e9938e7ea77786fb37edd2cd74f031"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783","version_start_inclusive":true,"version_end":"cd513e43b4b2bd1de39e2367bc4261c699a8652f","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783:cd513e43b4b2bd1de39e2367bc4261c699a8652f"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783","version_start_inclusive":true,"version_end":"67b27434c43b68a97becda98c9f0c8cf6cba2134","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783:67b27434c43b68a97becda98c9f0c8cf6cba2134"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783","version_start_inclusive":true,"version_end":"78069a6d8bc86c9e036eb82c2af4a19cc1871a53","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783:78069a6d8bc86c9e036eb82c2af4a19cc1871a53"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783","version_start_inclusive":true,"version_end":"f08fb3d42fd3aad0b7a263da3ac3ebaf0845e265","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783:f08fb3d42fd3aad0b7a263da3ac3ebaf0845e265"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783","version_start_inclusive":true,"version_end":"772cecf198da732faebb5dcfc46d66a505be8495","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c078ca3b0c5bf82c2b31906c446d6e2ad8ea0783:772cecf198da732faebb5dcfc46d66a505be8495"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.11","version_start_inclusive":true,"version_end":"4.11","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4.11:4.11"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"4.11","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:4.11"},{"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_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/8738b1b6d0e639ca1fc0f61516afd3557ac4ecc6","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/19748967d59c31d24d21d40b728570788310b237","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/46fc15a044e9938e7ea77786fb37edd2cd74f031","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/cd513e43b4b2bd1de39e2367bc4261c699a8652f","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/67b27434c43b68a97becda98c9f0c8cf6cba2134","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/78069a6d8bc86c9e036eb82c2af4a19cc1871a53","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/f08fb3d42fd3aad0b7a263da3ac3ebaf0845e265","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/772cecf198da732faebb5dcfc46d66a505be8495","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-25T08:39:21.069000Z","label":"CVE published","source":null}]}