CVE-2020-10067
Integer Overflow In is_in_region Allows User Thread To Access Kernel Memory
- State
- Published
- Severity
- 7.5 High
- Published
- May 11, 2020
- Updated
- Sep 16, 2024
- Reserved
- Mar 4, 2020
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H | zephyr |
Weaknesses
- CWE-190 Integer Overflow or Wraparound
Affected Products
| Product | Versions |
|---|---|
zephyrzephyrproject-rtos |
|
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
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