Description
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.
Affected products
zephyrproject: zephyr
References2
- github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-f… ExploitPatchVendor Advisory
- github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-f… ExploitPatchVendor Advisory
Metrics
- CVSS 3.1
-
6.8
MEDIUM
Score source: NVD
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 20 · as of 12 November 2026
- CWE
- CWE-120
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