{"cve":{"cve_id":"CVE-2026-53084","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\nbpf: return VMA snapshot from task_vma iterator\n\nHolding the per-VMA lock across the BPF program body creates a lock\nordering problem when helpers acquire locks that depend on mmap_lock:\n\n  vm_lock -> i_rwsem -> mmap_lock -> vm_lock\n\nSnapshot the VMA under the per-VMA lock in _next() via memcpy(), then\ndrop the lock before returning. The BPF program accesses only the\nsnapshot.\n\nThe verifier only trusts vm_mm and vm_file pointers (see\nBTF_TYPE_SAFE_TRUSTED_OR_NULL in verifier.c). vm_file is reference-\ncounted with get_file() under the lock and released via fput() on the\nnext iteration or in _destroy(). vm_mm is already correct because\nlock_vma_under_rcu() verifies vma->vm_mm == mm. All other pointers\nare left as-is by memcpy() since the verifier treats them as untrusted.","published_at":"2026-06-24T16:30:24.356000Z","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/83b8802c034e843b83a3e1ef6f30cdd4e9ec291c","https://git.kernel.org/stable/c/592226d138378601ae28eb890e2bbc23ec3600f7","https://git.kernel.org/stable/c/13860ca37b8df0b856ee1ce3bdbd7c327d5f53e8","https://git.kernel.org/stable/c/4cbee026db54cad39c39db4d356100cb133412b3"],"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":"2026-06-28T23:30:50.753831Z"},"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":"4ac4546821584736798aaa9e97da9f6eaf689ea3","version_start_inclusive":true,"version_end":"83b8802c034e843b83a3e1ef6f30cdd4e9ec291c","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:4ac4546821584736798aaa9e97da9f6eaf689ea3:83b8802c034e843b83a3e1ef6f30cdd4e9ec291c"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4ac4546821584736798aaa9e97da9f6eaf689ea3","version_start_inclusive":true,"version_end":"592226d138378601ae28eb890e2bbc23ec3600f7","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:4ac4546821584736798aaa9e97da9f6eaf689ea3:592226d138378601ae28eb890e2bbc23ec3600f7"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4ac4546821584736798aaa9e97da9f6eaf689ea3","version_start_inclusive":true,"version_end":"13860ca37b8df0b856ee1ce3bdbd7c327d5f53e8","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:4ac4546821584736798aaa9e97da9f6eaf689ea3:13860ca37b8df0b856ee1ce3bdbd7c327d5f53e8"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4ac4546821584736798aaa9e97da9f6eaf689ea3","version_start_inclusive":true,"version_end":"4cbee026db54cad39c39db4d356100cb133412b3","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:4ac4546821584736798aaa9e97da9f6eaf689ea3:4cbee026db54cad39c39db4d356100cb133412b3"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.7","version_start_inclusive":true,"version_end":"6.7","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.7:6.7"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"6.7","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:6.7"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12.91","version_start_inclusive":true,"version_end":"6.12.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.12.91:6.12.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.33","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.33:6.18.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.10","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.10:7.0.*"},{"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/83b8802c034e843b83a3e1ef6f30cdd4e9ec291c","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/592226d138378601ae28eb890e2bbc23ec3600f7","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/13860ca37b8df0b856ee1ce3bdbd7c327d5f53e8","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/4cbee026db54cad39c39db4d356100cb133412b3","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T16:30:24.356000Z","label":"CVE published","source":null}]}