{"cve":{"cve_id":"CVE-2026-52976","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\ndrm/xe: Fix error cleanup in xe_exec_queue_create_ioctl()\n\nTwo error handling issues exist in xe_exec_queue_create_ioctl():\n\n1. When xe_hw_engine_group_add_exec_queue() fails, the error path jumps\n   to put_exec_queue which skips xe_exec_queue_kill(). If the VM is in\n   preempt fence mode, xe_vm_add_compute_exec_queue() has already added\n   the queue to the VM's compute exec queue list. Skipping the kill\n   leaves the queue on that list, leading to a dangling pointer after\n   the queue is freed.\n\n2. When xa_alloc() fails after xe_hw_engine_group_add_exec_queue() has\n   succeeded, the error path does not call\n   xe_hw_engine_group_del_exec_queue() to remove the queue from the hw\n   engine group list. The queue is then freed while still linked into\n   the hw engine group, causing a use-after-free.\n\nFix both by:\n- Changing the xe_hw_engine_group_add_exec_queue() failure path to jump\n  to kill_exec_queue so that xe_exec_queue_kill() properly removes the\n  queue from the VM's compute list.\n- Adding a del_hw_engine_group label before kill_exec_queue for the\n  xa_alloc() failure path, which removes the queue from the hw engine\n  group before proceeding with the rest of the cleanup.\n\n(cherry picked from commit 37c831f401746a45d510b312b0ed7a77b1e06ec8)","published_at":"2026-06-24T16:28:53.147000Z","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/f93b00161213a0fe9f7ff1d8498ee5ca9e0a5c43","https://git.kernel.org/stable/c/753b149d5a433eb19e0c1b0eb4526a6e26120d1f","https://git.kernel.org/stable/c/1be55646d8a2035343b012dcb12210db7bb8b056","https://git.kernel.org/stable/c/f3cc22d4df3ed58439ea7e21daa54c3608e03b78"],"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":"7970cb36966c9b9183255dc097ae0446300eebcf","version_start_inclusive":true,"version_end":"f93b00161213a0fe9f7ff1d8498ee5ca9e0a5c43","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:7970cb36966c9b9183255dc097ae0446300eebcf:f93b00161213a0fe9f7ff1d8498ee5ca9e0a5c43"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7970cb36966c9b9183255dc097ae0446300eebcf","version_start_inclusive":true,"version_end":"753b149d5a433eb19e0c1b0eb4526a6e26120d1f","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:7970cb36966c9b9183255dc097ae0446300eebcf:753b149d5a433eb19e0c1b0eb4526a6e26120d1f"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7970cb36966c9b9183255dc097ae0446300eebcf","version_start_inclusive":true,"version_end":"1be55646d8a2035343b012dcb12210db7bb8b056","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:7970cb36966c9b9183255dc097ae0446300eebcf:1be55646d8a2035343b012dcb12210db7bb8b056"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7970cb36966c9b9183255dc097ae0446300eebcf","version_start_inclusive":true,"version_end":"f3cc22d4df3ed58439ea7e21daa54c3608e03b78","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:7970cb36966c9b9183255dc097ae0446300eebcf:f3cc22d4df3ed58439ea7e21daa54c3608e03b78"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12","version_start_inclusive":true,"version_end":"6.12","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.12:6.12"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"6.12","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:6.12"},{"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/f93b00161213a0fe9f7ff1d8498ee5ca9e0a5c43","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/753b149d5a433eb19e0c1b0eb4526a6e26120d1f","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/1be55646d8a2035343b012dcb12210db7bb8b056","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/f3cc22d4df3ed58439ea7e21daa54c3608e03b78","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T16:28:53.147000Z","label":"CVE published","source":null}]}