What is CVE-2017-5123?

CVE-2017-5123 is a high-severity vulnerability in Linux Linux_kernel, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2021-11-02.

How severe is CVE-2017-5123?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2017-5123 known to be exploited?

97 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Linux Linux_kernel

CVE-2017-5123

Insufficient data validation in waitid allowed an user to escape sandboxes on Linux.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.037 (88.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

chrome-cve-admin@google.com (x_refsource_MISC, Vendor Advisory)
chrome-cve-admin@google.com (Patch, x_refsource_MISC, Vendor Advisory)
chrome-cve-admin@google.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2017-5123?: CVE-2017-5123 is a high-severity vulnerability in Linux Linux_kernel, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2021-11-02.
How severe is CVE-2017-5123?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-5123 known to be exploited?: 97 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.