vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2020-10027

ARC Platform Uses Signed Integer Comparison When Validating Syscall Numbers

HIGH
7.8
CVSS Score
Published: May 11, 2020 at 10:26 PM UTC
Updated: June 17, 2026 at 02:47 AM UTC
2 products affected across 2 vendorsZephyrZephyr

Using zephyr by zephyrproject-rtos?

Get instant alerts when new vulnerabilities affect zephyr - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.8
Exploit prediction
EPSS 0.7%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

x_refsource_MISC
Source: [email protected]
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10027
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/zephyrproject-rtos/zephyr/pull/23328
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/zephyrproject-rtos/zephyr/pull/23499
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/zephyrproject-rtos/zephyr/pull/23500
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-35

CVSS

7.8HIGHzephyr
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-697

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card