CVE-2020-10024: ARM Platform Uses Signed Integer Comparison When Validating Syscall Numbers
First published: Mon May 11 2020(Updated: )
The arm platform-specific code uses a signed integer comparison when validating system call numbers. An attacker who has obtained code execution within a user thread is able to elevate privileges to that of the kernel. See NCC-ZEP-001 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.
Credit: vulnerabilities@zephyrproject.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Zephyrproject Zephyr | =1.14.2 | |
| Zephyrproject Zephyr | =2.1.0 |
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Reference Links
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10024
- https://github.com/zephyrproject-rtos/zephyr/pull/23323
- https://github.com/zephyrproject-rtos/zephyr/pull/23498
- https://github.com/zephyrproject-rtos/zephyr/pull/23535
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-30
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