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The vulnerability of the may_see_all_namespaces() function in the nsfs subsystem of Linux kernels allows a attacker to disclose protected information.
🗓️ 17 Jun 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 17 |
|---|---|---|---|---|
 | Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1594) | 30 Apr 202600:00 | – | nessus |
| Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1596) | 30 Apr 202600:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2026-43403 | 8 May 202600:00 | – | nessus |
 | Astra Linux – Vulnerability in Linux 5.10 | 19 Jun 202611:10 | – | astralinux |
 | Linux kernel 安全漏洞 | 8 May 202600:00 | – | cnnvd |
 | CVE-2026-43403 | 8 May 202614:21 | – | cve |
 | CVE-2026-43403 nsfs: tighten permission checks for ns iteration ioctls | 8 May 202614:21 | – | cvelist |
 | CVE-2026-43403 | 8 May 202614:21 | – | debiancve |
 | EUVD-2026-28709 | 8 May 202615:31 | – | euvd |
 | CVE-2026-43403 | 8 May 202615:16 | – | nvd |
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17 Jun 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 26.8
CVSS 38.8
EPSS0.00129