Unsafe handling in bt_conn_tx_processor causes a use-after-free, resulting in a write-before-zero. The written 4 bytes are attacker-controlled, enabling precise memory corruption.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-9r46-cqqw-6j2j Patch, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.5 · zephyrprojectNVD modified 2026-10-13 20:17
Affected (CPE criteria) 1
cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*
References 1
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-9r46-cqqw-6j2j Patch, Vendor Advisory