CVE-2026-43390
- Source
- https://cve.org/CVERecord?id=CVE-2026-43390
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43390.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-43390
- Downstream
- Published
- 2026-05-08T14:21:35.337Z
- Modified
- 2026-08-12T03:51:22.206418256Z
- Summary
- nstree: tighten permission checks for listing
- Details
-
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 mayseeall_namespaces() helper that centralizes this policy until the nstree adapts.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43390.json" }- References
-
- https://git.kernel.org/stable/c/0abd81645fc95ec6a9d4e4813000f22c5efc0ff4
- https://git.kernel.org/stable/c/8d76afe84fa2babf604b3c173730d4d2b067e361
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43390.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-43390
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git