{"id":"CVE-2026-102730","state":"PUBLISHED","title":"Mounting an attacker-controlled NAND flash image (`lx_nand_flash_open()`) triggers an unbounded out-of-bounds heap **write** in LevelX's NAND flash-translation-layer metadata parse","description":"Mounting an attacker-controlled NAND flash image (`lx_nand_flash_open()`) triggers an unbounded out-of-bounds heap **write** in LevelX's NAND flash-translation-layer metadata parser that overwrites a driver function pointer in the control block, giving a demonstrated control-flow hijack — RIP set to a full 8-byte attacker-chosen value (register-verified). Two accompanying OOB reads. All reproduced verbatim under ASan at HEAD `9f1cfdc`. (The affected metadata-parser header states \"Some portions generated by Copilot (Sonnet 4.6)\" — an AI-generated parser with an unchecked on-flash count.)","publishedAt":"2026-09-29T17:59:30.553Z","updatedAt":"2026-09-29T18:25:33.808Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"eclipse"},"assigner":"eclipse","products":["Eclipse Foundation eclipse-threadx/levelx(NAND driver)"],"affected":[{"vendor":"Eclipse Foundation","product":"eclipse-threadx/levelx(NAND driver)","packageName":"eclipse-threadx/levelx(NAND driver)","defaultStatus":"unaffected","versions":[{"version":"HEAD `9f1cfdc` and prior; Finding 1 introduced by commit `47b2a17d`; Finding 2 is   the un-patched half of the Nov-2025 fix `0f7dd521`.","status":"affected","versionType":"custom"}]}],"references":["https://github.com/eclipse-threadx/levelx/security/advisories/GHSA-q6ph-7238-777g"],"weaknesses":["CWE-787","CWE-1284"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/102xxx/CVE-2026-102730.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-102730","state":"PUBLISHED","datePublished":"2026-09-29T17:59:30.553Z","dateUpdated":"2026-09-29T18:25:33.808Z","assignerShortName":"eclipse","assignerOrgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","dateReserved":"2026-09-29T16:15:23.917Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Mounting an attacker-controlled NAND flash image (`lx_nand_flash_open()`) triggers an unbounded out-of-bounds heap **write** in LevelX's NAND flash-translation-layer metadata parser that overwrites a driver function pointer in the control block, giving a demonstrated control-flow hijack — RIP set to a full 8-byte attacker-chosen value (register-verified). 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