CVE-2026-63989

A flaw was found in the Linux kernel's bridge module. When configuring network bridge ports, a critical function was incorrectly holding a lock during an operation that could cause the system to pause unexpectedly. This can lead to a kernel crash, making the system unavailable and resulting in a...

UBUNTU-CVE-2026-63989

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in netlink path Since the introduction of the netlink configuration path for bridge ports in commit 25c71c75ac87 "bridge: bridge port parameters over netlink", brsetport was always called with...