9.8

CVE-2018-1000800: zephyrproject zephyr NULL Pointer Dereference

CVSS: 9.8v3.0CriticalModified
Published 06-09-2018Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2018-1000800 is a critical (CVSS 9.8) NULL Pointer Dereference vulnerability in zephyrproject zephyr. EPSS estimates a 1.66% chance of exploitation in the next 30 days, higher than 76.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
1.66%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 06-09-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

zephyr-rtos version 1.12.0 contains a NULL base pointer reference vulnerability in sys_ring_buf_put(), sys_ring_buf_get() that can result in CPU Page Fault (error code 0x00000010). This attack appear to be exploitable via a malicious application call the vulnerable kernel APIs (system sys_ring_buf_get() and sys_ring_buf_put).

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.66%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

0.00 pp

From 1.66% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.66%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Zephyr

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Zephyrproject1 product

1 vendor · 1 product

References

1 links