CVE-2024-26900 in Linux
Resumen
por MITRE • 2024-04-17
En el kernel de Linux, se resolvió la siguiente vulnerabilidad: md: corrige kmemleak de rdev->serial Si kobject_add() falla en bind_rdev_to_array(), 'rdev->serial' se asignará y no se liberará, y se produce kmemleak. objeto sin referencia 0xffff88815a350000 (tamaño 49152): comm "mdadm", pid 789, jiffies 4294716910 volcado hexadecimal (primeros 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ retroceso (crc f773277a): [<0000000058b0a453> ] kmemleak_alloc+0x61/0xe0 [<00000000366adf14>] __kmalloc_large_node+0x15e/0x270 [<000000002e82961b>] __kmalloc_node.cold+0x11/0x7f [<00000000f206d60a>] loc_node+0x74/0x150 [<0000000034bf3363>] rdev_init_serial+0x67/0x170 [< 0000000010e08fe9>] mddev_create_serial_pool+0x62/0x220 [<00000000c3837bf0>] bind_rdev_to_array+0x2af/0x630 [<0000000073c28560>] md_add_new_disk+0x400/0x9f0 00000000770e30ff>] md_ioctl+0x15bf/0x1c10 [<000000006cfab718>] blkdev_ioctl+0x191/0x3f0 [< 0000000085086a11>] vfs_ioctl+0x22/0x60 [<0000000018b656fe>] __x64_sys_ioctl+0xba/0xe0 [<00000000e54e675e>] do_syscall_64+0x71/0x150 [<00000 0008b0ad622>] entrada_SYSCALL_64_after_hwframe+0x6c/0x74
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