SEPTEMBER 23, 2026
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Case File

CVE-2026-43390

MEDIUM · CVSS 5.5 EPSS 0.11%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-05-08 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux.

CVE
CVE-2026-43390
Severity
MEDIUM
CVSS
5.5
EPSS
0.11%
Linux

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: nstree: tighten permission checks for listing Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use may_see_all_namespaces() helper that centralizes this policy until the nstree adapts.

Related CVEs

Other vulnerabilities affecting the same vendor(s)