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

scsi: qla2xxx: Fix bsg_done() causing double free

Kernel panic observed on system,

[5353358.825191] BUG: unable to handle page fault for address: ff5f5e897b024000
[5353358.825194] #PF: supervisor write access in kernel mode
[5353358.825195] #PF: error_code(0x0002) - not-present page
[5353358.825196] PGD 100006067 P4D 0
[5353358.825198] Oops: 0002 [#1] PREEMPT SMP NOPTI
[5353358.825200] CPU: 5 PID: 2132085 Comm: qlafwupdate.sub Kdump: loaded Tainted: G        W    L    -------  ---  5.14.0-503.34.1.el9_5.x86_64 #1
[5353358.825203] Hardware name: HPE ProLiant DL360 Gen11/ProLiant DL360 Gen11, BIOS 2.44 01/17/2025
[5353358.825204] RIP: 0010:memcpy_erms+0x6/0x10
[5353358.825211] RSP: 0018:ff591da8f4f6b710 EFLAGS: 00010246
[5353358.825212] RAX: ff5f5e897b024000 RBX: 0000000000007090 RCX: 0000000000001000
[5353358.825213] RDX: 0000000000001000 RSI: ff591da8f4fed090 RDI: ff5f5e897b024000
[5353358.825214] RBP: 0000000000010000 R08: ff5f5e897b024000 R09: 0000000000000000
[5353358.825215] R10: ff46cf8c40517000 R11: 0000000000000001 R12: 0000000000008090
[5353358.825216] R13: ff591da8f4f6b720 R14: 0000000000001000 R15: 0000000000000000
[5353358.825218] FS:  00007f1e88d47740(0000) GS:ff46cf935f940000(0000) knlGS:0000000000000000
[5353358.825219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[5353358.825220] CR2: ff5f5e897b024000 CR3: 0000000231532004 CR4: 0000000000771ef0
[5353358.825221] PKRU: 55555554
[5353358.825222] Call Trace:
[5353358.825223]  <TASK>
[5353358.825224]  ? show_trace_log_lvl+0x1c4/0x2df
[5353358.825229]  ? show_trace_log_lvl+0x1c4/0x2df
[5353358.825232]  ? sg_copy_buffer+0xc8/0x110
[5353358.825236]  ? __die_body.cold+0x8/0xd
[5353358.825238]  ? page_fault_oops+0x134/0x170
[5353358.825242]  ? kernelmode_fixup_or_oops+0x84/0x110
[5353358.825244]  ? exc_page_fault+0xa8/0x150
[5353358.825247]  ? asm_exc_page_fault+0x22/0x30
[5353358.825252]  ? memcpy_erms+0x6/0x10
[5353358.825253]  sg_copy_buffer+0xc8/0x110
[5353358.825259]  qla2x00_process_vendor_specific+0x652/0x1320 [qla2xxx]
[5353358.825317]  qla24xx_bsg_request+0x1b2/0x2d0 [qla2xxx]

Most routines in qla_bsg.c call bsg_done() only for success cases.
However a few invoke it for failure case as well leading to a double
free. Validate before calling bsg_done().

https://git.kernel.org/stable/c/057a5bdc481e58ab853117254867ffb22caf9f6e

https://git.kernel.org/stable/c/27ac9679c43a09e54e2d9aae9980ada045b428e0

https://git.kernel.org/stable/c/31f33b856d2324d86bcaef295f4d210477a1c018

https://git.kernel.org/stable/c/708003e1bc857dd014d4c44278d7d77c26f91b1c

https://git.kernel.org/stable/c/74e7458537cd9349cf019862e51491f670871707

https://git.kernel.org/stable/c/871f6236da96c4a9712b8a29d7f555f767a47e95

https://git.kernel.org/stable/c/c2c68225b1456f4d0d393b5a8778d51bb0d5b1d0

https://git.kernel.org/stable/c/f2bbb4db0e4a4fbd5e649c0b5d8733f61da24720