Malformed ATAES132A responses with an oversized length field overflow a 52-byte stack buffer in the Zephyr crypto driver, allowing a compromised device or bus attacker to corrupt kernel memory and potentially hijack execution.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6 Exploit, Patch, Vendor Advisory
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6 Exploit, 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 6.8 · zephyrprojectNVD modified 2026-10-15 22:19
Affected (CPE criteria) 4
cpe:2.3:o:zephyrproject:zephyr:4.3.0:-:*:*:*:*:*:*cpe:2.3:o:zephyrproject:zephyr:4.3.0:rc1:*:*:*:*:*:*cpe:2.3:o:zephyrproject:zephyr:4.3.0:rc2:*:*:*:*:*:*cpe:2.3:o:zephyrproject:zephyr:4.3.0:rc3:*:*:*:*:*:*
References 2
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6 Exploit, Patch, Vendor Advisory
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6 Exploit, Patch, Vendor Advisory