{"cve":{"cve_id":"CVE-2026-53011","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\nnet/sched: taprio: fix use-after-free in advance_sched() on schedule switch\n\nIn advance_sched(), when should_change_schedules() returns true,\nswitch_schedules() is called to promote the admin schedule to oper.\nswitch_schedules() queues the old oper schedule for RCU freeing via\ncall_rcu(), but 'next' still points into an entry of the old oper\nschedule. The subsequent 'next->end_time = end_time' and\nrcu_assign_pointer(q->current_entry, next) are use-after-free.\n\nFix this by selecting 'next' from the new oper schedule immediately\nafter switch_schedules(), and using its pre-calculated end_time.\nsetup_first_end_time() sets the first entry's end_time to\nbase_time + interval when the schedule is installed, so the value\nis already correct.\n\nThe deleted 'end_time = sched_base_time(admin)' assignment was also\nharmful independently: it would overwrite the new first entry's\npre-calculated end_time with just base_time.","published_at":"2026-06-24T16:29:22.082000Z","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/a8fc396519ef4f081bc545e88f61241728bb78d7","https://git.kernel.org/stable/c/3471874578160a28c171a607fa069f24062634b8","https://git.kernel.org/stable/c/7256996e1ef553716817f3bfd077c2f3b48b582f","https://git.kernel.org/stable/c/eee072fe16c646190d33ae69c9983d8de1562bf8","https://git.kernel.org/stable/c/1bd286fa3e21200133478ed523cc6a2788baf38a","https://git.kernel.org/stable/c/b73235da5dde77ed1264f9767b62c28c9d71fd78","https://git.kernel.org/stable/c/0e62171df8ed4804d00db088f17eed06468233fa","https://git.kernel.org/stable/c/105425b1969c5affe532713cfac1c0b320d7ac2b"],"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":"2026-06-28T23:30:49.890169Z"},"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":"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":"a3d43c0d56f1b94e74963a2fbadfb70126d92213","version_start_inclusive":true,"version_end":"a8fc396519ef4f081bc545e88f61241728bb78d7","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:a3d43c0d56f1b94e74963a2fbadfb70126d92213:a8fc396519ef4f081bc545e88f61241728bb78d7"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"a3d43c0d56f1b94e74963a2fbadfb70126d92213","version_start_inclusive":true,"version_end":"3471874578160a28c171a607fa069f24062634b8","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:a3d43c0d56f1b94e74963a2fbadfb70126d92213:3471874578160a28c171a607fa069f24062634b8"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"a3d43c0d56f1b94e74963a2fbadfb70126d92213","version_start_inclusive":true,"version_end":"7256996e1ef553716817f3bfd077c2f3b48b582f","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:a3d43c0d56f1b94e74963a2fbadfb70126d92213:7256996e1ef553716817f3bfd077c2f3b48b582f"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"a3d43c0d56f1b94e74963a2fbadfb70126d92213","version_start_inclusive":true,"version_end":"eee072fe16c646190d33ae69c9983d8de1562bf8","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:a3d43c0d56f1b94e74963a2fbadfb70126d92213:eee072fe16c646190d33ae69c9983d8de1562bf8"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"a3d43c0d56f1b94e74963a2fbadfb70126d92213","version_start_inclusive":true,"version_end":"1bd286fa3e21200133478ed523cc6a2788baf38a","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:a3d43c0d56f1b94e74963a2fbadfb70126d92213:1bd286fa3e21200133478ed523cc6a2788baf38a"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"a3d43c0d56f1b94e74963a2fbadfb70126d92213","version_start_inclusive":true,"version_end":"b73235da5dde77ed1264f9767b62c28c9d71fd78","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:a3d43c0d56f1b94e74963a2fbadfb70126d92213:b73235da5dde77ed1264f9767b62c28c9d71fd78"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"a3d43c0d56f1b94e74963a2fbadfb70126d92213","version_start_inclusive":true,"version_end":"0e62171df8ed4804d00db088f17eed06468233fa","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:a3d43c0d56f1b94e74963a2fbadfb70126d92213:0e62171df8ed4804d00db088f17eed06468233fa"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"a3d43c0d56f1b94e74963a2fbadfb70126d92213","version_start_inclusive":true,"version_end":"105425b1969c5affe532713cfac1c0b320d7ac2b","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:a3d43c0d56f1b94e74963a2fbadfb70126d92213:105425b1969c5affe532713cfac1c0b320d7ac2b"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.2","version_start_inclusive":true,"version_end":"5.2","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.2:5.2"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"5.2","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:5.2"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.10.258","version_start_inclusive":true,"version_end":"5.10.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.10.258:5.10.*"},{"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/a8fc396519ef4f081bc545e88f61241728bb78d7","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/3471874578160a28c171a607fa069f24062634b8","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/7256996e1ef553716817f3bfd077c2f3b48b582f","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/eee072fe16c646190d33ae69c9983d8de1562bf8","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/1bd286fa3e21200133478ed523cc6a2788baf38a","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/b73235da5dde77ed1264f9767b62c28c9d71fd78","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/0e62171df8ed4804d00db088f17eed06468233fa","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/105425b1969c5affe532713cfac1c0b320d7ac2b","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T16:29:22.082000Z","label":"CVE published","source":null}]}