CVE-2025-71238 PUBLISHED

scsi: qla2xxx: Fix bsg_done() causing double free

Assigner: Linux
Reserved: 18.02.2026 Published: 04.03.2026 Updated: 04.03.2026

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().

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 057a5bdc481e58ab853117254867ffb22caf9f6e (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to f2bbb4db0e4a4fbd5e649c0b5d8733f61da24720 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 27ac9679c43a09e54e2d9aae9980ada045b428e0 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 74e7458537cd9349cf019862e51491f670871707 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 871f6236da96c4a9712b8a29d7f555f767a47e95 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 31f33b856d2324d86bcaef295f4d210477a1c018 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 708003e1bc857dd014d4c44278d7d77c26f91b1c (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to c2c68225b1456f4d0d393b5a8778d51bb0d5b1d0 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • unaffected from 5.10.251 to 5.10.* (incl.)
  • unaffected from 5.15.201 to 5.15.* (incl.)
  • unaffected from 6.1.164 to 6.1.* (incl.)
  • unaffected from 6.6.127 to 6.6.* (incl.)
  • unaffected from 6.12.74 to 6.12.* (incl.)
  • unaffected from 6.18.13 to 6.18.* (incl.)
  • unaffected from 6.19.3 to 6.19.* (incl.)
  • unaffected from 7.0-rc1 to * (incl.)

References