CVE-2026-43390
nstree: tighten permission checks for listing
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 8, 2026 |
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Affected Versions
Linux / Linux
76b6f5dfb3fda76fce1f9990d6fa58adc711122b < 0abd81645fc95ec6a9d4e4813000f22c5efc0ff4 76b6f5dfb3fda76fce1f9990d6fa58adc711122b < 8d76afe84fa2babf604b3c173730d4d2b067e361
Linux / Linux
6.19