Linux kernel qla2xxx double free via bsg_done()
CVE-2025-71238 Published on March 4, 2026
scsi: qla2xxx: Fix bsg_done() causing double free
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().
Products Associated with CVE-2025-71238
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Affected Versions
Linux:- Version 1b81e7f3019d632a707e07927e946ffbbc102910 and below 057a5bdc481e58ab853117254867ffb22caf9f6e is affected.
- Version 1b81e7f3019d632a707e07927e946ffbbc102910 and below f2bbb4db0e4a4fbd5e649c0b5d8733f61da24720 is affected.
- Version 1b81e7f3019d632a707e07927e946ffbbc102910 and below 27ac9679c43a09e54e2d9aae9980ada045b428e0 is affected.
- Version 1b81e7f3019d632a707e07927e946ffbbc102910 and below 74e7458537cd9349cf019862e51491f670871707 is affected.
- Version 1b81e7f3019d632a707e07927e946ffbbc102910 and below 871f6236da96c4a9712b8a29d7f555f767a47e95 is affected.
- Version 1b81e7f3019d632a707e07927e946ffbbc102910 and below 31f33b856d2324d86bcaef295f4d210477a1c018 is affected.
- Version 1b81e7f3019d632a707e07927e946ffbbc102910 and below 708003e1bc857dd014d4c44278d7d77c26f91b1c is affected.
- Version 1b81e7f3019d632a707e07927e946ffbbc102910 and below c2c68225b1456f4d0d393b5a8778d51bb0d5b1d0 is affected.
- Version 5.7 is affected.
- Before 5.7 is unaffected.
- Version 5.10.251, <= 5.10.* is unaffected.
- Version 5.15.201, <= 5.15.* is unaffected.
- Version 6.1.164, <= 6.1.* is unaffected.
- Version 6.6.127, <= 6.6.* is unaffected.
- Version 6.12.74, <= 6.12.* is unaffected.
- Version 6.18.13, <= 6.18.* is unaffected.
- Version 6.19.3, <= 6.19.* is unaffected.
- Version 7.0-rc1, <= * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.