CVE-2020-10058

HIGH

Zephyr 2.1.0 and later - Privilege Escalation via Kscan Subsystem Syscall Argument Validation

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/zephyrproject-rtos/zephyr/pull/23308
Third Party Advisory x_refsource_misc
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-34
Patch, Third Party Advisory x_refsource_misc
https://github.com/zephyrproject-rtos/zephyr/pull/23748

Scores

CVSS v3 7.8
EPSS 0.0040
EPSS Percentile 31.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (1)
zephyrproject/zephyr 2.1.0
Published May 11, 2020
Tracked Since Feb 18, 2026