CVE•Published 2023-03-22•1 article on news•6 live references•NVD data

CVE-2023-0386

Vulnerability data via CVEDB (Shodan)

CVSS v3.1

7.8

HIGH

EPSS percentile

Exploit Prediction Scoring System · top 6% of all CVEs

Description

A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.

Timeline

Published 2023-03-22

External references

NVD MITRE Exploit-DB Sploitus trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag899 hosts

vuln:CVE-2023-0386

Hosts Shodan has explicitly fingerprinted as vulnerable.

More intel sources (5)

Shodan report

vuln:CVE-2023-0386

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2023-0386

Censys host search filtered to this CVE id.

grep.app

CVE-2023-0386