CVE-2023-53078

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> scsi: scsi_dh_alua: Fix memleak for &amp;#39;qdata&amp;#39; in alua_activate()<br /> <br /> If alua_rtpg_queue() failed from alua_activate(), then &amp;#39;qdata&amp;#39; is not<br /> freed, which will cause following memleak:<br /> <br /> unreferenced object 0xffff88810b2c6980 (size 32):<br /> comm "kworker/u16:2", pid 635322, jiffies 4355801099 (age 1216426.076s)<br /> hex dump (first 32 bytes):<br /> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................<br /> 40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff @9$.............<br /> backtrace:<br /> [] alua_activate+0xb0/0x320<br /> [] scsi_dh_activate+0xb2/0x140<br /> [] activate_path_work+0xc6/0xe0 [dm_multipath]<br /> [] process_one_work+0x3c5/0x730<br /> [] worker_thread+0x93/0x650<br /> [] kthread+0x1ba/0x210<br /> [] ret_from_fork+0x22/0x30<br /> <br /> Fix the problem by freeing &amp;#39;qdata&amp;#39; in error path.