{"cve":{"cve_id":"CVE-2026-52992","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\nfs/adfs: validate nzones in adfs_validate_bblk()\n\nReject ADFS disc records with a zero zone count during boot block\nvalidation, before the disc record is used.\n\nWhen nzones is 0, adfs_read_map() passes it to kmalloc_array(0, ...)\nwhich returns ZERO_SIZE_PTR, and adfs_map_layout() then writes to\ndm[-1], causing an out-of-bounds write before the allocated buffer.\n\nadfs_validate_dr0() already rejects nzones != 1 for old-format\nimages.  Add the equivalent check to adfs_validate_bblk() for\nnew-format images so that a crafted image with nzones == 0 is\nrejected at probe time.\n\nFound by syzkaller.","published_at":"2026-06-24T16:29:05.592000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"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/33aafd2418a59c96c0389d47ea09026661fa9ec6","https://git.kernel.org/stable/c/1f0ed0f57f0fc87e46fe19a05435c214dc464be2","https://git.kernel.org/stable/c/6ff8cca5cdb4f2e0ea6d28ecd78479dd3f221ebc","https://git.kernel.org/stable/c/a11372a8b1ceaa5e950a84b3b5fbf8228f25e277","https://git.kernel.org/stable/c/1586bd2d2fb436a26df20a70e78b000d34a7d159","https://git.kernel.org/stable/c/a3fd5dc1c7b0aae947a67dc2e2c037d57557a4de","https://git.kernel.org/stable/c/60d82592ac8b5637fbed871381eb0a16df0a492e","https://git.kernel.org/stable/c/dd9d3e16c2d5fa166e13dce07413be51f42c8f5d"],"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":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"f6f14a0d71b0773a1d4147d1a3c33d537cd213ab","version_start_inclusive":true,"version_end":"33aafd2418a59c96c0389d47ea09026661fa9ec6","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:f6f14a0d71b0773a1d4147d1a3c33d537cd213ab:33aafd2418a59c96c0389d47ea09026661fa9ec6"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"f6f14a0d71b0773a1d4147d1a3c33d537cd213ab","version_start_inclusive":true,"version_end":"1f0ed0f57f0fc87e46fe19a05435c214dc464be2","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:f6f14a0d71b0773a1d4147d1a3c33d537cd213ab:1f0ed0f57f0fc87e46fe19a05435c214dc464be2"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"f6f14a0d71b0773a1d4147d1a3c33d537cd213ab","version_start_inclusive":true,"version_end":"6ff8cca5cdb4f2e0ea6d28ecd78479dd3f221ebc","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:f6f14a0d71b0773a1d4147d1a3c33d537cd213ab:6ff8cca5cdb4f2e0ea6d28ecd78479dd3f221ebc"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"f6f14a0d71b0773a1d4147d1a3c33d537cd213ab","version_start_inclusive":true,"version_end":"a11372a8b1ceaa5e950a84b3b5fbf8228f25e277","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:f6f14a0d71b0773a1d4147d1a3c33d537cd213ab:a11372a8b1ceaa5e950a84b3b5fbf8228f25e277"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"f6f14a0d71b0773a1d4147d1a3c33d537cd213ab","version_start_inclusive":true,"version_end":"1586bd2d2fb436a26df20a70e78b000d34a7d159","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:f6f14a0d71b0773a1d4147d1a3c33d537cd213ab:1586bd2d2fb436a26df20a70e78b000d34a7d159"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"f6f14a0d71b0773a1d4147d1a3c33d537cd213ab","version_start_inclusive":true,"version_end":"a3fd5dc1c7b0aae947a67dc2e2c037d57557a4de","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:f6f14a0d71b0773a1d4147d1a3c33d537cd213ab:a3fd5dc1c7b0aae947a67dc2e2c037d57557a4de"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"f6f14a0d71b0773a1d4147d1a3c33d537cd213ab","version_start_inclusive":true,"version_end":"60d82592ac8b5637fbed871381eb0a16df0a492e","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:f6f14a0d71b0773a1d4147d1a3c33d537cd213ab:60d82592ac8b5637fbed871381eb0a16df0a492e"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"f6f14a0d71b0773a1d4147d1a3c33d537cd213ab","version_start_inclusive":true,"version_end":"dd9d3e16c2d5fa166e13dce07413be51f42c8f5d","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:f6f14a0d71b0773a1d4147d1a3c33d537cd213ab:dd9d3e16c2d5fa166e13dce07413be51f42c8f5d"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.6","version_start_inclusive":true,"version_end":"5.6","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.6:5.6"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"5.6","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:5.6"},{"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/33aafd2418a59c96c0389d47ea09026661fa9ec6","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/1f0ed0f57f0fc87e46fe19a05435c214dc464be2","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/6ff8cca5cdb4f2e0ea6d28ecd78479dd3f221ebc","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/a11372a8b1ceaa5e950a84b3b5fbf8228f25e277","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/1586bd2d2fb436a26df20a70e78b000d34a7d159","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/a3fd5dc1c7b0aae947a67dc2e2c037d57557a4de","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/60d82592ac8b5637fbed871381eb0a16df0a492e","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/dd9d3e16c2d5fa166e13dce07413be51f42c8f5d","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T16:29:05.592000Z","label":"CVE published","source":null}]}