CVE-2026-43390: Linux

Описание

Оригинално описание

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.

Засегнати продукти

• Linux Linux: 76b6f5dfb3fda76fce1f9990d6fa58adc711122b преди 0abd81645fc95ec6a9d4e4813000f22c5efc0ff4; 76b6f5dfb3fda76fce1f9990d6fa58adc711122b преди 8d76afe84fa2babf604b3c173730d4d2b067e361
• Linux Linux: 6.19; преди 6.19; 6.19.9 до 6.19.*; 7.0 до *

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99268
• CVE-2026-99266
• CVE-2026-99267

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-43390
• https://nvd.nist.gov/vuln/detail/CVE-2026-43390
• https://git.kernel.org/stable/c/0abd81645fc95ec6a9d4e4813000f22c5efc0ff4
• https://git.kernel.org/stable/c/8d76afe84fa2babf604b3c173730d4d2b067e361