CVE-2020-13600: Malformed SPI in response for eswifi can corrupt kernel memory

Severity: high (CVSS 7.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-25 · updated 2026-06-17
Weakness: CWE-122

Description

Malformed SPI in response for eswifi can corrupt kernel memory. Zephyr versions >= 1.14.2, >= 2.3.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hx4p-j86p-2mhr

Affected products

zephyrproject zephyr: through 1.14.2; from 2.0.0 through 2.3.0

References

http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hx4p-j86p-2mhr
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hx4p-j86p-2mhr

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