CVE-2023-53278

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> ubifs: Fix memory leak in ubifs_sysfs_init()<br /> <br /> When insmod ubifs.ko, a kmemleak reported as below:<br /> <br /> unreferenced object 0xffff88817fb1a780 (size 8):<br /> comm "insmod", pid 25265, jiffies 4295239702 (age 100.130s)<br /> hex dump (first 8 bytes):<br /> 75 62 69 66 73 00 ff ff ubifs...<br /> backtrace:<br /> [] slab_post_alloc_hook+0x9c/0x3c0<br /> [] __kmalloc_track_caller+0x183/0x410<br /> [] kstrdup+0x3a/0x80<br /> [] kstrdup_const+0x66/0x80<br /> [] kvasprintf_const+0x155/0x190<br /> [] kobject_set_name_vargs+0x5b/0x150<br /> [] kobject_set_name+0xbb/0xf0<br /> [] do_one_initcall+0x14c/0x5a0<br /> [] do_init_module+0x1f0/0x660<br /> [] load_module+0x6d7e/0x7590<br /> [] __do_sys_finit_module+0x19f/0x230<br /> [] __x64_sys_finit_module+0x73/0xb0<br /> [] do_syscall_64+0x35/0x80<br /> [] entry_SYSCALL_64_after_hwframe+0x63/0xcd<br /> <br /> When kset_register() failed, we should call kset_put to cleanup it.