CVE-2023-53078

In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate() If alua_rtpg_queue() failed from alua_activate(), then 'qdata' is not freed, which will cause following memleak: unreferenced object 0xffff88810b2c6980 (size 32): comm "kworker/u16:2", pid 635322, jiffies 4355801099 (age 1216426.076s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff @9$............. backtrace: [<0000000098f3a26d>] alua_activate+0xb0/0x320 [<000000003b529641>] scsi_dh_activate+0xb2/0x140 [<000000007b296db3>] activate_path_work+0xc6/0xe0 [dm_multipath] [<000000007adc9ace>] process_one_work+0x3c5/0x730 [<00000000c457a985>] worker_thread+0x93/0x650 [<00000000cb80e628>] kthread+0x1ba/0x210 [<00000000a1e61077>] ret_from_fork+0x22/0x30 Fix the problem by freeing 'qdata' in error path.

• linux linux kernel (>= 4.9.21 < 4.10) • linux linux kernel (>= 4.10.9 < 4.11) • linux linux kernel (>= 4.11.1 < 4.14.312) • linux linux kernel (>= 4.15 < 4.19.280) • linux linux kernel (>= 4.20 < 5.4.240) • linux linux kernel (>= 5.5 < 5.10.177) • linux linux kernel (>= 5.11 < 5.15.105) • linux linux kernel (>= 5.16 < 6.1.22) • linux linux kernel (>= 6.2 < 6.2.9) • linux linux kernel 4.11 • linux linux kernel 6.3