CVE-2025-21723

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> scsi: mpi3mr: Fix possible crash when setting up bsg fails<br /> <br /> If bsg_setup_queue() fails, the bsg_queue is assigned a non-NULL value.<br /> Consequently, in mpi3mr_bsg_exit(), the condition "if(!mrioc-&gt;bsg_queue)"<br /> will not be satisfied, preventing execution from entering<br /> bsg_remove_queue(), which could lead to the following crash:<br /> <br /> BUG: kernel NULL pointer dereference, address: 000000000000041c<br /> Call Trace:<br /> <br /> mpi3mr_bsg_exit+0x1f/0x50 [mpi3mr]<br /> mpi3mr_remove+0x6f/0x340 [mpi3mr]<br /> pci_device_remove+0x3f/0xb0<br /> device_release_driver_internal+0x19d/0x220<br /> unbind_store+0xa4/0xb0<br /> kernfs_fop_write_iter+0x11f/0x200<br /> vfs_write+0x1fc/0x3e0<br /> ksys_write+0x67/0xe0<br /> do_syscall_64+0x38/0x80<br /> entry_SYSCALL_64_after_hwframe+0x78/0xe2