CVE-2020-10067
HIGHZephyr 1.14.1 and later - Integer Overflow in System Call Handlers
Title source: llmDescription
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
Various Sources x_refsource_misc
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10067
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