CVE-2022-50475 RDMA/core: Make sure "ib_port" is valid when access sysfs node

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Make sure "ibport" is valid when access sysfs node The "ibport" structure must be set before adding the sysfs kobject, and reset after removing it, otherwise it may crash when accessing the sysfs node: Unable to handle...

PT-2025-40662

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.19.161-mlnx.47.gadcd9e3 1 Description The Linux kernel contained a flaw in the RDMA/core subsystem where the 'ib port' structure was not properly validated before accessing a sysfs node. This could lead to a...

kernel: RDMA/core: Make sure "ib_port" is valid when access sysfs node

A NULL pointer dereference flaw was found in the Linux kernel RDMA core's sysfs handling. A local user with access to InfiniBand sysfs nodes can read sysfs attributes while an InfiniBand port is being removed, causing the kernel to dereference a NULL ibport pointer when the port structure has bee...