VDB
DEBIAN-CVE-2026-43403
DEBIAN-CVE-2026-43403
PUBLISHED
CVSS 8.800000190734863 HIGH
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.
Risk Scores
CVSS v3.1
8.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | linux | 0, 6.12.38-1, 6.12.41-1 |
| Debian:13 | linux | 0, 6.12.38-1, 6.12.41-1 |
Timeline
- May 8, 2026 CVE Published
- May 12, 2026 CVE Updated