{"cve":{"cve_id":"CVE-2026-53270","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\nipvs: clear the svc scheduler ptr early on edit\n\nip_vs_edit_service() while unbinding the old scheduler clears\nthe svc->scheduler ptr after the scheduler module initiates\nRCU callbacks. This can cause packets to use the old\nscheduler at the time when svc->sched_data is already freed\nafter RCU grace period.\n\nFix it by clearing the ptr early in ip_vs_unbind_scheduler(),\nbefore the done_service method schedules any RCU callbacks.\n\nAlso, if the new scheduler fails to initialize when replacing\nthe old scheduler, try to restore the old scheduler while still\nreturning the error code.","published_at":"2026-06-25T08:39:55.830000Z","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/d10730a1f2caf08088e0db1b19b242f3e6fa5f06","https://git.kernel.org/stable/c/e4feec3174036ba772006be74beee0efa09a9eb8","https://git.kernel.org/stable/c/7d4f5004511757e3984901ffb412fcf858d80ed5","https://git.kernel.org/stable/c/c6376b9b1b4d2bad638256b1b3588e073344ae69","https://git.kernel.org/stable/c/14e4689c113b4c06af1069364ade24fdd7055f33","https://git.kernel.org/stable/c/25918720ba97f974a4f8d433b5a0132c5b43f6f3","https://git.kernel.org/stable/c/19a9493faa4bf3c7bd0a386f30b60b1bb4a3da03","https://git.kernel.org/stable/c/193989cc6d80dd8e0460fb3992e69fa03bf0ff9b"],"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":"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":"05f00505a89acd21f5d0d20f5797dfbc4cf85243","version_start_inclusive":true,"version_end":"d10730a1f2caf08088e0db1b19b242f3e6fa5f06","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:05f00505a89acd21f5d0d20f5797dfbc4cf85243:d10730a1f2caf08088e0db1b19b242f3e6fa5f06"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"05f00505a89acd21f5d0d20f5797dfbc4cf85243","version_start_inclusive":true,"version_end":"e4feec3174036ba772006be74beee0efa09a9eb8","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:05f00505a89acd21f5d0d20f5797dfbc4cf85243:e4feec3174036ba772006be74beee0efa09a9eb8"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"05f00505a89acd21f5d0d20f5797dfbc4cf85243","version_start_inclusive":true,"version_end":"7d4f5004511757e3984901ffb412fcf858d80ed5","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:05f00505a89acd21f5d0d20f5797dfbc4cf85243:7d4f5004511757e3984901ffb412fcf858d80ed5"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"05f00505a89acd21f5d0d20f5797dfbc4cf85243","version_start_inclusive":true,"version_end":"c6376b9b1b4d2bad638256b1b3588e073344ae69","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:05f00505a89acd21f5d0d20f5797dfbc4cf85243:c6376b9b1b4d2bad638256b1b3588e073344ae69"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"05f00505a89acd21f5d0d20f5797dfbc4cf85243","version_start_inclusive":true,"version_end":"14e4689c113b4c06af1069364ade24fdd7055f33","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:05f00505a89acd21f5d0d20f5797dfbc4cf85243:14e4689c113b4c06af1069364ade24fdd7055f33"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"05f00505a89acd21f5d0d20f5797dfbc4cf85243","version_start_inclusive":true,"version_end":"25918720ba97f974a4f8d433b5a0132c5b43f6f3","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:05f00505a89acd21f5d0d20f5797dfbc4cf85243:25918720ba97f974a4f8d433b5a0132c5b43f6f3"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"05f00505a89acd21f5d0d20f5797dfbc4cf85243","version_start_inclusive":true,"version_end":"19a9493faa4bf3c7bd0a386f30b60b1bb4a3da03","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:05f00505a89acd21f5d0d20f5797dfbc4cf85243:19a9493faa4bf3c7bd0a386f30b60b1bb4a3da03"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"05f00505a89acd21f5d0d20f5797dfbc4cf85243","version_start_inclusive":true,"version_end":"193989cc6d80dd8e0460fb3992e69fa03bf0ff9b","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:05f00505a89acd21f5d0d20f5797dfbc4cf85243:193989cc6d80dd8e0460fb3992e69fa03bf0ff9b"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c803fddd2a95a70873c68dbff42d4c59fd2e674e","version_start_inclusive":true,"version_end":"c803fddd2a95a70873c68dbff42d4c59fd2e674e","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:c803fddd2a95a70873c68dbff42d4c59fd2e674e:c803fddd2a95a70873c68dbff42d4c59fd2e674e"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4ec8fb23158797affae7993c15beba080488482f","version_start_inclusive":true,"version_end":"4ec8fb23158797affae7993c15beba080488482f","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4ec8fb23158797affae7993c15beba080488482f:4ec8fb23158797affae7993c15beba080488482f"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"3.18.23","version_start_inclusive":true,"version_end":"3.19","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:3.18.23:3.19"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.1.11","version_start_inclusive":true,"version_end":"4.2","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:4.1.11:4.2"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.2","version_start_inclusive":true,"version_end":"4.2","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4.2:4.2"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_n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published","source":null}]}