{"cve":{"cve_id":"CVE-2026-53096","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: Use RCU-safe iteration in dev_map_redirect_multi() SKB path\n\nThe DEVMAP_HASH branch in dev_map_redirect_multi() uses\nhlist_for_each_entry_safe() to iterate hash buckets, but this function\nruns under RCU protection (called from xdp_do_generic_redirect_map()\nin softirq context). Concurrent writers (__dev_map_hash_update_elem,\ndev_map_hash_delete_elem) modify the list using RCU primitives\n(hlist_add_head_rcu, hlist_del_rcu).\n\nhlist_for_each_entry_safe() performs plain pointer dereferences without\nrcu_dereference(), missing the acquire barrier needed to pair with\nwriters' rcu_assign_pointer(). On weakly-ordered architectures (ARM64,\nPOWER), a reader can observe a partially-constructed node. It also\ndefeats CONFIG_PROVE_RCU lockdep validation and KCSAN data-race\ndetection.\n\nReplace with hlist_for_each_entry_rcu() using rcu_read_lock_bh_held()\nas the lockdep condition, consistent with the rcu_dereference_check()\nused in the DEVMAP (non-hash) branch of the same functions. Also fix\nthe same incorrect lockdep_is_held(&dtab->index_lock) condition in\ndev_map_enqueue_multi(), where the lock is not held either.","published_at":"2026-06-24T16:30:34.477000Z","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/4a3d0fe30b907ff324b1b49756f7e713d67f3645","https://git.kernel.org/stable/c/b089aa6e94d7a08e74d076a0fe274842dc9feccc","https://git.kernel.org/stable/c/571a05ea1baaccc0dc1e0d227b2cbc978b96d392","https://git.kernel.org/stable/c/cb2c1f3cf65b855548e1b8d55a08bfbaa5a0901a","https://git.kernel.org/stable/c/d4c4bd231ebad70e6f30db429e9640bf378b2f52","https://git.kernel.org/stable/c/7027e705062482a8cea43a1c13ede3c35653966f","https://git.kernel.org/stable/c/8ed82f807bb09d2c8455aaa665f2c6cb17bc6a19"],"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":"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":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","version_start_inclusive":true,"version_end":"4a3d0fe30b907ff324b1b49756f7e713d67f3645","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:e624d4ed4aa8cc3c69d1359b0aaea539203ed266:4a3d0fe30b907ff324b1b49756f7e713d67f3645"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","version_start_inclusive":true,"version_end":"b089aa6e94d7a08e74d076a0fe274842dc9feccc","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:e624d4ed4aa8cc3c69d1359b0aaea539203ed266:b089aa6e94d7a08e74d076a0fe274842dc9feccc"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","version_start_inclusive":true,"version_end":"571a05ea1baaccc0dc1e0d227b2cbc978b96d392","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:e624d4ed4aa8cc3c69d1359b0aaea539203ed266:571a05ea1baaccc0dc1e0d227b2cbc978b96d392"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","version_start_inclusive":true,"version_end":"cb2c1f3cf65b855548e1b8d55a08bfbaa5a0901a","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:e624d4ed4aa8cc3c69d1359b0aaea539203ed266:cb2c1f3cf65b855548e1b8d55a08bfbaa5a0901a"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","version_start_inclusive":true,"version_end":"d4c4bd231ebad70e6f30db429e9640bf378b2f52","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:e624d4ed4aa8cc3c69d1359b0aaea539203ed266:d4c4bd231ebad70e6f30db429e9640bf378b2f52"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","version_start_inclusive":true,"version_end":"7027e705062482a8cea43a1c13ede3c35653966f","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:e624d4ed4aa8cc3c69d1359b0aaea539203ed266:7027e705062482a8cea43a1c13ede3c35653966f"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","version_start_inclusive":true,"version_end":"8ed82f807bb09d2c8455aaa665f2c6cb17bc6a19","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:e624d4ed4aa8cc3c69d1359b0aaea539203ed266:8ed82f807bb09d2c8455aaa665f2c6cb17bc6a19"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.14","version_start_inclusive":true,"version_end":"5.14","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.14:5.14"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"5.14","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:5.14"},{"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":"6.6.141","version_start_inclusive":true,"version_end":"6.6.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.6.141:6.6.*"},{"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/4a3d0fe30b907ff324b1b49756f7e713d67f3645","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/b089aa6e94d7a08e74d076a0fe274842dc9feccc","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/571a05ea1baaccc0dc1e0d227b2cbc978b96d392","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/cb2c1f3cf65b855548e1b8d55a08bfbaa5a0901a","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/d4c4bd231ebad70e6f30db429e9640bf378b2f52","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/7027e705062482a8cea43a1c13ede3c35653966f","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/8ed82f807bb09d2c8455aaa665f2c6cb17bc6a19","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T16:30:34.477000Z","label":"CVE published","source":null}]}