Vulnerability in Zephyrproject-rtos Zephyr
CVE-2020-10024
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…
EPSS: 0.001 (25.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Zephyrproject-rtos Zephyr — versions 1.14.0, 2.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zephyrprojectsec.atlassian.net/browse/ZEPSEC-30 (x_refsource_MISC)
- github.com/zephyrproject-rtos/zephyr/pull/23323 (x_refsource_MISC)
- github.com/zephyrproject-rtos/zephyr/pull/23535 (x_refsource_MISC)
- github.com/zephyrproject-rtos/zephyr/pull/23498 (x_refsource_MISC)
- docs.zephyrproject.org/latest/security/vulnerabilities.html (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-10024?
- CVE-2020-10024 is a high-severity vulnerability in Zephyrproject-rtos Zephyr, classified under Incorrect Comparison. CVSS score: 7.8/10. Published 2020-05-11.
- How severe is CVE-2020-10024?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-10024 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.