CVE-2020-10067

HIGH

Zephyr 1.14.1 and later - Integer Overflow in System Call Handlers

Title source: llm
STIX 2.1

Description

A malicious userspace application can cause a integer overflow and bypass security checks performed by system call handlers. The impact would depend on the underlying system call and can range from denial of service to information leak to memory corruption resulting in code execution within the kernel. See NCC-ZEP-005 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.

References (5)

Core 5
Core References
Third Party Advisory x_refsource_misc
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-27
Patch, Third Party Advisory x_refsource_misc
https://github.com/zephyrproject-rtos/zephyr/pull/23239
Patch, Third Party Advisory x_refsource_misc
https://github.com/zephyrproject-rtos/zephyr/pull/23653
Patch, Third Party Advisory x_refsource_misc
https://github.com/zephyrproject-rtos/zephyr/pull/23654

Scores

CVSS v3 7.5
EPSS 0.0045
EPSS Percentile 35.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (2)
zephyrproject/zephyr 1.14.1
zephyrproject/zephyr 2.1.0
Published May 11, 2020
Tracked Since Feb 18, 2026