{"cve":{"cve_id":"CVE-2026-52917","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\nsctp: diag: reject stale associations in dump_one path\n\nThe SCTP exact sock_diag lookup can hold a transport reference, block on\nlock_sock(sk), and then resume after sctp_association_free() has marked\nthe association dead and freed its bind address list.\n\nWhen that happens, inet_assoc_attr_size() and\ninet_diag_msg_sctpasoc_fill() can still dereference association state\nthat is no longer valid for reporting. In particular,\ninet_diag_msg_sctpasoc_fill() may read an empty bind-address list as a\nreal sctp_sockaddr_entry and trigger an out-of-bounds read from\nunrelated association memory.\n\nReject the association after taking the socket lock if it has been\nreaped or detached from the endpoint, and report the lookup as stale.\nThis keeps the exact dump-one path from formatting torn association\nstate.","published_at":"2026-06-24T07:14:13.886000Z","last_modified_at":null,"cvss_v3_score":7.1,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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/6657af827e21883ae90693e42e7f59a6aab690b5","https://git.kernel.org/stable/c/b2be72d401833194917e44fbd8d8144bb4f2db16","https://git.kernel.org/stable/c/5425de8bd6e9fe5bd67d158e3348171ae7510117","https://git.kernel.org/stable/c/e97c2a535e23ed0fdd2660993fb3f10d9535c9bc","https://git.kernel.org/stable/c/480f754580b5686b928977d16a59f20cef83ff01","https://git.kernel.org/stable/c/78c4f964b2f94e405721c093773f6250e1e676b2","https://git.kernel.org/stable/c/f5af203dec6e0e7a6090fcc2130e9f3901bfc84d","https://git.kernel.org/stable/c/5eba3e48d78edd7551b992cb7ba687019b3a78da"],"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":"2026-06-28T23:30:49.088205Z"},"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":"N","value_label":"None"},{"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":"8f840e47f190cbe61a96945c13e9551048d42cef","version_start_inclusive":true,"version_end":"6657af827e21883ae90693e42e7f59a6aab690b5","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8f840e47f190cbe61a96945c13e9551048d42cef:6657af827e21883ae90693e42e7f59a6aab690b5"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8f840e47f190cbe61a96945c13e9551048d42cef","version_start_inclusive":true,"version_end":"b2be72d401833194917e44fbd8d8144bb4f2db16","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8f840e47f190cbe61a96945c13e9551048d42cef:b2be72d401833194917e44fbd8d8144bb4f2db16"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8f840e47f190cbe61a96945c13e9551048d42cef","version_start_inclusive":true,"version_end":"5425de8bd6e9fe5bd67d158e3348171ae7510117","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8f840e47f190cbe61a96945c13e9551048d42cef:5425de8bd6e9fe5bd67d158e3348171ae7510117"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8f840e47f190cbe61a96945c13e9551048d42cef","version_start_inclusive":true,"version_end":"e97c2a535e23ed0fdd2660993fb3f10d9535c9bc","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8f840e47f190cbe61a96945c13e9551048d42cef:e97c2a535e23ed0fdd2660993fb3f10d9535c9bc"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8f840e47f190cbe61a96945c13e9551048d42cef","version_start_inclusive":true,"version_end":"480f754580b5686b928977d16a59f20cef83ff01","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8f840e47f190cbe61a96945c13e9551048d42cef:480f754580b5686b928977d16a59f20cef83ff01"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8f840e47f190cbe61a96945c13e9551048d42cef","version_start_inclusive":true,"version_end":"78c4f964b2f94e405721c093773f6250e1e676b2","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8f840e47f190cbe61a96945c13e9551048d42cef:78c4f964b2f94e405721c093773f6250e1e676b2"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8f840e47f190cbe61a96945c13e9551048d42cef","version_start_inclusive":true,"version_end":"f5af203dec6e0e7a6090fcc2130e9f3901bfc84d","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8f840e47f190cbe61a96945c13e9551048d42cef:f5af203dec6e0e7a6090fcc2130e9f3901bfc84d"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8f840e47f190cbe61a96945c13e9551048d42cef","version_start_inclusive":true,"version_end":"5eba3e48d78edd7551b992cb7ba687019b3a78da","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8f840e47f190cbe61a96945c13e9551048d42cef:5eba3e48d78edd7551b992cb7ba687019b3a78da"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.7","version_start_inclusive":true,"version_end":"4.7","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4.7:4.7"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"4.7","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:4.7"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.10.259","version_start_inclusive":true,"version_end":"5.10.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.10.259:5.10.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.15.210","version_start_inclusive":true,"version_end":"5.15.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.15.210:5.15.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.1.176","version_start_inclusive":true,"version_end":"6.1.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.1.176:6.1.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.6.143","version_start_inclusive":true,"version_end":"6.6.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.6.143:6.6.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12.94","version_start_inclusive":true,"version_end":"6.12.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.12.94:6.12.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.36","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.36:6.18.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.13","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.13:7.0.*"},{"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/6657af827e21883ae90693e42e7f59a6aab690b5","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/b2be72d401833194917e44fbd8d8144bb4f2db16","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/5425de8bd6e9fe5bd67d158e3348171ae7510117","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/e97c2a535e23ed0fdd2660993fb3f10d9535c9bc","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/480f754580b5686b928977d16a59f20cef83ff01","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/78c4f964b2f94e405721c093773f6250e1e676b2","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/f5af203dec6e0e7a6090fcc2130e9f3901bfc84d","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/5eba3e48d78edd7551b992cb7ba687019b3a78da","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T07:14:13.886000Z","label":"CVE published","source":null}]}