8.8

CVE-2026-43403

nsfs: tighten permission checks for ns iteration ioctls

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 6.12 < 6.12.78
Linux ≫ Linux Kernel Version >= 6.13 < 6.18.20
Linux ≫ Linux Kernel Version >= 6.19 < 6.19.9
Linux ≫ Linux Kernel Version7.0 Updaterc1
Linux ≫ Linux Kernel Version7.0 Updaterc2
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.13% 0.029
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 8.8 2 6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/3376b345df155ca36d8611857b41ff7d5183fc38
Patch
https://git.kernel.org/stable/c/2f3dea284c761c890d676f77d5e55c0c496b4ef4
Patch
https://git.kernel.org/stable/c/0ad650e60150eda789deca5e78a6a09d26bf8fc9
Patch
https://git.kernel.org/stable/c/e6b899f08066e744f89df16ceb782e06868bd148
Patch