{"cve":{"cve_id":"CVE-2026-53211","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_meta_bridge: fix stale stack leak via IIFHWADDR register\n\nNFT_META_BRI_IIFHWADDR declares its destination register with\nlen = ETH_ALEN (6 bytes), which the register-init tracking rounds up to\ntwo 32-bit registers (8 bytes). nft_meta_bridge_get_eval() then does\nmemcpy(dest, br_dev->dev_addr, ETH_ALEN), writing only 6 bytes and\nleaving the upper 2 bytes of the second register as uninitialised\nnft_do_chain() stack. A downstream load of that register span leaks\nthose stale bytes to userspace.\n\nZero the second register before the memcpy so the full declared span is\nwritten.","published_at":"2026-06-25T08:39:16.234000Z","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/07acb9798477535933bd658ac9fa85b6cb10d995","https://git.kernel.org/stable/c/f1e81d571e375d10e50e852223593493d98c1bac","https://git.kernel.org/stable/c/c7d573551f9286100a055ef696cde6af54549677"],"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":"cbd2257dc96e3e46217540fcb095a757ffa20d96","version_start_inclusive":true,"version_end":"07acb9798477535933bd658ac9fa85b6cb10d995","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cbd2257dc96e3e46217540fcb095a757ffa20d96:07acb9798477535933bd658ac9fa85b6cb10d995"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"cbd2257dc96e3e46217540fcb095a757ffa20d96","version_start_inclusive":true,"version_end":"f1e81d571e375d10e50e852223593493d98c1bac","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cbd2257dc96e3e46217540fcb095a757ffa20d96:f1e81d571e375d10e50e852223593493d98c1bac"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"cbd2257dc96e3e46217540fcb095a757ffa20d96","version_start_inclusive":true,"version_end":"c7d573551f9286100a055ef696cde6af54549677","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cbd2257dc96e3e46217540fcb095a757ffa20d96:c7d573551f9286100a055ef696cde6af54549677"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18","version_start_inclusive":true,"version_end":"6.18","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18:6.18"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"6.18","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:6.18"},{"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/07acb9798477535933bd658ac9fa85b6cb10d995","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/f1e81d571e375d10e50e852223593493d98c1bac","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/c7d573551f9286100a055ef696cde6af54549677","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-25T08:39:16.234000Z","label":"CVE published","source":null}]}