CVE-2022-49013

In the Linux kernel, the following vulnerability has been resolved:

sctp: fix memory leak in sctpstreamoutq_migrate()

When sctpstreamoutqmigrate() is called to release stream out resources, the memory pointed to by priohead in stream out is not released.

The memory leak information is as follows: unreferenced object 0xffff88801fe79f80 (size 64): comm "sctprepo", pid 7957, jiffies 4294951704 (age 36.480s) hex dump (first 32 bytes): 80 9f e7 1f 80 88 ff ff 80 9f e7 1f 80 88 ff ff ................ 90 9f e7 1f 80 88 ff ff 90 9f e7 1f 80 88 ff ff ................ backtrace: [<ffffffff81b215c6>] kmalloctrace+0x26/0x60 [<ffffffff88ae517c>] sctpschedprioset+0x4cc/0x770 [<ffffffff88ad64f2>] sctpstreaminitext+0xd2/0x1b0 [<ffffffff88aa2604>] sctpsendmsgtoasoc+0x1614/0x1a30 [<ffffffff88ab7ff1>] sctpsendmsg+0xda1/0x1ef0 [<ffffffff87f765ed>] inetsendmsg+0x9d/0xe0 [<ffffffff8754b5b3>] socksendmsg+0xd3/0x120 [<ffffffff8755446a>] __sys_sendto+0x23a/0x340 [<ffffffff87554651>] __x64syssendto+0xe1/0x1b0 [<ffffffff89978b49>] dosyscall64+0x39/0xb0 [<ffffffff89a0008b>] entrySYSCALL64afterhwframe+0x63/0xcd