HIGH 8.6 NVD

CVE-2026-102730

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-

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.)

References

https://github.com/eclipse-threadx/levelx/security/advisories/GHSA-q6ph-7238-777g

Published: 2026-09-29 · Source: NVD · Feed updated: 2026-09-30

This high severity vulnerability with a CVSS score of 8.6 was published on 2026-09-29 via NVD.

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