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

nvme-core: fix dev_pm_qos memleak

Call dev_pm_qos_hide_latency_tolerance() in the error unwind patch to
avoid following kmemleak:-

blktests (master) # kmemleak-clear; ./check nvme/044;
blktests (master) # kmemleak-scan ; kmemleak-show
nvme/044 (Test bi-directional authentication)                [passed]
    runtime  2.111s  ...  2.124s
unreferenced object 0xffff888110c46240 (size 96):
  comm "nvme", pid 33461, jiffies 4345365353 (age 75.586s)
  hex dump (first 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  ................
  backtrace:
    [<0000000069ac2cec>] kmalloc_trace+0x25/0x90
    [<000000006acc66d5>] dev_pm_qos_update_user_latency_tolerance+0x6f/0x100
    [<00000000cc376ea7>] nvme_init_ctrl+0x38e/0x410 [nvme_core]
    [<000000007df61b4b>] 0xffffffffc05e88b3
    [<00000000d152b985>] 0xffffffffc05744cb
    [<00000000f04a4041>] vfs_write+0xc5/0x3c0
    [<00000000f9491baf>] ksys_write+0x5f/0xe0
    [<000000001c46513d>] do_syscall_64+0x3b/0x90
    [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc