CVE-2020-10067 | BDVDB-2026-135779 Detail
zephyrproject-rtoszephyr
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
- CWE-190 Integer Overflow or Wraparound
References#
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-27
- https://github.com/zephyrproject-rtos/zephyr/pull/23239
- https://github.com/zephyrproject-rtos/zephyr/pull/23653
- https://github.com/zephyrproject-rtos/zephyr/pull/23654
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10067
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.