CVE-2026-43403

8.8 Élevée

Publiée le 08/05/2026 à 17:16 · Modifiée le 17/06/2026 à 12:49 · Analysée par le NVD · Source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Description

In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for ns iteration ioctls 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.

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Produits concernés

Linux
Linux linux kernel

Scores CVSS

Version	Score	Source	Vecteur
3.1	8.8 Élevée	416baaa9-dc9f-4396-8d5f-8c081fb06d67	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`

Références

https://git.kernel.org/stable/c/0ad650e60150eda789deca5e78a6a09d26bf8fc9 Patch
https://git.kernel.org/stable/c/2f3dea284c761c890d676f77d5e55c0c496b4ef4 Patch
https://git.kernel.org/stable/c/3376b345df155ca36d8611857b41ff7d5183fc38 Patch
https://git.kernel.org/stable/c/e6b899f08066e744f89df16ceb782e06868bd148 Patch

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories