{"cve":{"cve_id":"CVE-2026-52958","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\nlibceph: Fix potential out-of-bounds access in osdmap_decode()\n\nWhen decoding osd_state and osd_weight from an incoming osdmap in\nosdmap_decode(), both are decoded for each osd, i.e., map->max_osd\ntimes. The ceph_decode_need() check only accounts for\nsizeof(*map->osd_weight) once. This can potentially result in an\nout-of-bounds memory access if the incoming message is corrupted such\nthat the max_osd value exceeds the actual content of the osdmap message.\n\nThis patch fixes the issue by changing the corresponding part in the\nceph_decode_need() check to account for\nmap->max_osd*sizeof(*map->osd_weight).","published_at":"2026-06-24T16:28:39.723000Z","last_modified_at":null,"cvss_v3_score":9.1,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","cvss_v3_severity":"CRITICAL","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/36a79759a288961b1ff28a68ec2d1f56f6848098","https://git.kernel.org/stable/c/3f2575bb7f955d42569d96c3e04fa958a0dcf4b4","https://git.kernel.org/stable/c/8713bbc4b2b9ad78f803978e54b7e49dd21bd9be","https://git.kernel.org/stable/c/0d2dd7e6bb74fd7712aa73457a4a821906c6863a","https://git.kernel.org/stable/c/e7187f33c02488697ec0d01d82bf7a3f8deaba8f","https://git.kernel.org/stable/c/48df98d12b15360cd56af5c1f460307b340c1197","https://git.kernel.org/stable/c/ee933694645dac062d65fc2743f92bc06fa0db6b","https://git.kernel.org/stable/c/35d0ed82d03e5ee77ea4f31f20e29562a7721649"],"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":"CRITICAL","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"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":"dcbc919a5dc8c2629684a113a90c0b6fe10c3462","version_start_inclusive":true,"version_end":"36a79759a288961b1ff28a68ec2d1f56f6848098","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:dcbc919a5dc8c2629684a113a90c0b6fe10c3462:36a79759a288961b1ff28a68ec2d1f56f6848098"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"dcbc919a5dc8c2629684a113a90c0b6fe10c3462","version_start_inclusive":true,"version_end":"3f2575bb7f955d42569d96c3e04fa958a0dcf4b4","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:dcbc919a5dc8c2629684a113a90c0b6fe10c3462:3f2575bb7f955d42569d96c3e04fa958a0dcf4b4"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"dcbc919a5dc8c2629684a113a90c0b6fe10c3462","version_start_inclusive":true,"version_end":"8713bbc4b2b9ad78f803978e54b7e49dd21bd9be","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:dcbc919a5dc8c2629684a113a90c0b6fe10c3462:8713bbc4b2b9ad78f803978e54b7e49dd21bd9be"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"dcbc919a5dc8c2629684a113a90c0b6fe10c3462","version_start_inclusive":true,"version_end":"0d2dd7e6bb74fd7712aa73457a4a821906c6863a","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:dcbc919a5dc8c2629684a113a90c0b6fe10c3462:0d2dd7e6bb74fd7712aa73457a4a821906c6863a"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"dcbc919a5dc8c2629684a113a90c0b6fe10c3462","version_start_inclusive":true,"version_end":"e7187f33c02488697ec0d01d82bf7a3f8deaba8f","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:dcbc919a5dc8c2629684a113a90c0b6fe10c3462:e7187f33c02488697ec0d01d82bf7a3f8deaba8f"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"dcbc919a5dc8c2629684a113a90c0b6fe10c3462","version_start_inclusive":true,"version_end":"48df98d12b15360cd56af5c1f460307b340c1197","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:dcbc919a5dc8c2629684a113a90c0b6fe10c3462:48df98d12b15360cd56af5c1f460307b340c1197"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"dcbc919a5dc8c2629684a113a90c0b6fe10c3462","version_start_inclusive":true,"version_end":"ee933694645dac062d65fc2743f92bc06fa0db6b","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:dcbc919a5dc8c2629684a113a90c0b6fe10c3462:ee933694645dac062d65fc2743f92bc06fa0db6b"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"dcbc919a5dc8c2629684a113a90c0b6fe10c3462","version_start_inclusive":true,"version_end":"35d0ed82d03e5ee77ea4f31f20e29562a7721649","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:dcbc919a5dc8c2629684a113a90c0b6fe10c3462:35d0ed82d03e5ee77ea4f31f20e29562a7721649"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.3","version_start_inclusive":true,"version_end":"5.3","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.3:5.3"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"5.3","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:5.3"},{"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":"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/36a79759a288961b1ff28a68ec2d1f56f6848098","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/3f2575bb7f955d42569d96c3e04fa958a0dcf4b4","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/8713bbc4b2b9ad78f803978e54b7e49dd21bd9be","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/0d2dd7e6bb74fd7712aa73457a4a821906c6863a","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/e7187f33c02488697ec0d01d82bf7a3f8deaba8f","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/48df98d12b15360cd56af5c1f460307b340c1197","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/ee933694645dac062d65fc2743f92bc06fa0db6b","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/35d0ed82d03e5ee77ea4f31f20e29562a7721649","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T16:28:39.723000Z","label":"CVE published","source":null}]}