CVE-2020-10027 ARC Platform Uses Signed Integer Comparison When Validating Syscall Numbers
An attacker with code execution in a user thread can escalate privileges to kernel level due to signed integer comparison errors in syscall validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-10027?
CVE-2020-10027 is a high-severity vulnerability in Zephyrproject Zephyr, published on 11 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-697
Which versions are affected by CVE-2020-10027?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2020-10027?
No fix has been published for CVE-2020-10027 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-10027 being exploited?
There is no known exploitation of CVE-2020-10027 in the wild and no public exploit code.
Other vulnerabilities in Zephyrproject Zephyr
- CVE-2026-5067 Out-of-bounds read/write in HTTP WebSocket upgrade via non-null-terminated Sec-WebSocket-Key
- CVE-2022-3806 Bluetooth HCI Error Handling Double Free
- CVE-2017-14199 Memory corruption in getaddrinfo
- CVE-2018-1000800 Null dereference in n/a
- CVE-2021-3329 DOS: Incorrect handling of the initial HCI ACL_MTU handshake packet leads to crash of bluetooth host layer
Sources
Also known as GHSA-mwc4-px37-jrx4.