CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2020-10067
High (7.8) in zephyrproject zephyr. EPSS 0.4% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)
- CWE
- CWE-190
- Published
- Modified
- Record from
- the NVD, synced
Affected
- zephyrproject:zephyr
References
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10067
- 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://zephyrprojectsec.atlassian.net/browse/ZEPSEC-27