[SECURITY] [DLA 4735-1] neutron security update

Debian LTS Advisory DLA-4735-1 [email protected] https://www.debian.org/lts/security/ Santiago Ruano Rincón August 12, 2026 https://wiki.debian.org/LTS Package : neutron Version : 2:21.0.0-7+deb12u1 CVE ID : CVE-2026-55707 Debian Bug : 1142937 1143170 Multiple vulnerabilities were...

CVE-2026-55707

CVE-2026-55707 affects OpenStack Neutron before 28.0.2. The subnetpool onboarding API (PUT /v2.0/subnetpools/{id}/onboard_network_subnets) does not verify subnet ownership, allowing an authenticated but lower-privileged user to onboard subnets from another project’s shared network into their own ...

EUVD-2026-53046

In OpenStack Neutron before 28.0.2, the subnetpool onboarding API does not verify ownership of the target subnets. An authenticated user can onboard subnets from another project's shared network into their own subnetpool, mutating the victim's subnet state and altering L3 routing and address scop...

CVE-2026-55707

In OpenStack Neutron before 28.0.2, the subnetpool onboarding API does not verify ownership of the target subnets. An authenticated user can onboard subnets from another project's shared network into their own subnetpool, mutating the victim's subnet state and altering L3 routing and address scop...

CVE-2026-55707

An authorization bypass was found in the OpenStack Neutron subnetpool onboarding API endpoint PUT /v2.0/subnetpools/id/onboardnetworksubnets. When a caller supplies a networkid, the API only verifies that the network is visible to the caller but does not verify that the caller owns the subnets on...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a logical error in VA scope checking, which could result in a mapping creation or update failure...