What’s Vulnerable › Vulnerabilities

CVE-2020-10058: Multiple Syscalls In kscan Subsystem Performs No Argument Validation

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-11 · updated 2026-06-17
• Weakness: CWE-20

Description

Multiple syscalls in the Kscan subsystem perform insufficient argument validation, allowing code executing in userspace to potentially gain elevated privileges. See NCC-ZEP-006 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions.

Affected products

• zephyrproject zephyr: 2.1.0

References

• https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10058
• https://github.com/zephyrproject-rtos/zephyr/pull/23308
• https://github.com/zephyrproject-rtos/zephyr/pull/23748
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-34
• https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10058
• https://github.com/zephyrproject-rtos/zephyr/pull/23308
• https://github.com/zephyrproject-rtos/zephyr/pull/23748
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-34

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