CVE-2024-26900

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> md: fix kmemleak of rdev-&gt;serial<br /> <br /> If kobject_add() is fail in bind_rdev_to_array(), &amp;#39;rdev-&gt;serial&amp;#39; will be<br /> alloc not be freed, and kmemleak occurs.<br /> <br /> unreferenced object 0xffff88815a350000 (size 49152):<br /> comm "mdadm", pid 789, jiffies 4294716910<br /> hex dump (first 32 bytes):<br /> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................<br /> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................<br /> backtrace (crc f773277a):<br /> [] kmemleak_alloc+0x61/0xe0<br /> [] __kmalloc_large_node+0x15e/0x270<br /> [] __kmalloc_node.cold+0x11/0x7f<br /> [] kvmalloc_node+0x74/0x150<br /> [] rdev_init_serial+0x67/0x170<br /> [] mddev_create_serial_pool+0x62/0x220<br /> [] bind_rdev_to_array+0x2af/0x630<br /> [] md_add_new_disk+0x400/0x9f0<br /> [] md_ioctl+0x15bf/0x1c10<br /> [] blkdev_ioctl+0x191/0x3f0<br /> [] vfs_ioctl+0x22/0x60<br /> [] __x64_sys_ioctl+0xba/0xe0<br /> [] do_syscall_64+0x71/0x150<br /> [] entry_SYSCALL_64_after_hwframe+0x6c/0x74