scsi: qla2xxx: Synchronize the IOCB count to be in order

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2023-53056
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-05-02 16:15:24 UTC
Updated2026-11-05 21:17:09 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Synchronize the IOCB count to be in order A system hang was observed with the following call trace: BUG: kernel NULL pointer dereference, address: 0000000000000000 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 15 PID: 86747 Comm: nvme Kdump: loaded Not tainted 6.2.0+ #1 Hardware name: Dell Inc. PowerEdge R6515/04F3CJ, BIOS 2.7.3 03/31/2022 RIP: 0010:__wake_up_common+0x55/0x190 Code: 41 f6 01 04 0f 85 b2 00 00 00 48 8b 43 08 4c 8d 40 e8 48 8d 43 08 48 89 04 24 48 89 c6\ 49 8d 40 18 48 39 c6 0f 84 e9 00 00 00 <49> 8b 40 18 89 6c 24 14 31 ed 4c 8d 60 e8 41 8b 18 f6 c3 04 75 5d RSP: 0018:ffffb05a82afbba0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffff8f9b83a00018 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff8f9b83a00020 RDI: ffff8f9b83a00018 RBP: 0000000000000001 R08: ffffffffffffffe8 R09: ffffb05a82afbbf8 R10: 70735f7472617473 R11: 5f30307832616c71 R12: 0000000000000001 R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f815cf4c740(0000) GS:ffff8f9eeed80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000010633a000 CR4: 0000000000350ee0 Call Trace: <TASK> __wake_up_common_lock+0x83/0xd0 qla_nvme_ls_req+0x21b/0x2b0 [qla2xxx] __nvme_fc_send_ls_req+0x1b5/0x350 [nvme_fc] nvme_fc_xmt_disconnect_assoc+0xca/0x110 [nvme_fc] nvme_fc_delete_association+0x1bf/0x220 [nvme_fc] ? nvme_remove_namespaces+0x9f/0x140 [nvme_core] nvme_do_delete_ctrl+0x5b/0xa0 [nvme_core] nvme_sysfs_delete+0x5f/0x70 [nvme_core] kernfs_fop_write_iter+0x12b/0x1c0 vfs_write+0x2a3/0x3b0 ksys_write+0x5f/0xe0 do_syscall_64+0x5c/0x90 ? syscall_exit_work+0x103/0x130 ? syscall_exit_to_user_mode+0x12/0x30 ? do_syscall_64+0x69/0x90 ? exit_to_user_mode_loop+0xd0/0x130 ? exit_to_user_mode_prepare+0xec/0x100 ? syscall_exit_to_user_mode+0x12/0x30 ? do_syscall_64+0x69/0x90 ? syscall_exit_to_user_mode+0x12/0x30 ? do_syscall_64+0x69/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f815cd3eb97 The IOCB counts are out of order and that would block any commands from going out and subsequently hang the system. Synchronize the IOCB count to be in correct order.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-476

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected d58b45bbbea8f9516b66e0b494701c369adb0ae8 6295b3ec64a3623fa96869ffb7cf17d0b3c92035 git Not specified
CNA Linux Linux affected 6626b7494a01561fe5151fa6976875014a343a14 6d57b77d7369ed73836c82b25f785b34923eef84 git Not specified
CNA Linux Linux affected f2dde125ae9849b84f46a98abd98f655148821ab ffd7831841d3c56c655531fc8c5acafaaf20e1bb git Not specified
CNA Linux Linux affected 5f63a163ed2f12c34dd4ae9b2757962ec7bb86e5 d3affdeb400f3adc925bd996f3839481f5291839 git Not specified
CNA Linux Linux affected 5.15.99 5.15.105 semver Not specified
CNA Linux Linux affected 6.1.16 6.1.22 semver Not specified
CNA Linux Linux affected 6.2.3 6.2.9 semver Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/d3affdeb400f3adc925bd996f3839481f5291839 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/ffd7831841d3c56c655531fc8c5acafaaf20e1bb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/6295b3ec64a3623fa96869ffb7cf17d0b3c92035 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/6d57b77d7369ed73836c82b25f785b34923eef84 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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