scsi: qedf: Fix refcount issue when LOGO is received during TMF

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2022-48823
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-07-16 12:15:06 UTC
Updated2026-08-13 00:17:26 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Fix refcount issue when LOGO is received during TMF Hung task call trace was seen during LOGO processing. [ 974.309060] [0000:00:00.0]:[qedf_eh_device_reset:868]: 1:0:2:0: LUN RESET Issued... [ 974.309065] [0000:00:00.0]:[qedf_initiate_tmf:2422]: tm_flags 0x10 sc_cmd 00000000c16b930f op = 0x2a target_id = 0x2 lun=0 [ 974.309178] [0000:00:00.0]:[qedf_initiate_tmf:2431]: portid=016900 tm_flags =LUN RESET [ 974.309222] [0000:00:00.0]:[qedf_initiate_tmf:2438]: orig io_req = 00000000ec78df8f xid = 0x180 ref_cnt = 1. [ 974.309625] host1: rport 016900: Received LOGO request while in state Ready [ 974.309627] host1: rport 016900: Delete port [ 974.309642] host1: rport 016900: work event 3 [ 974.309644] host1: rport 016900: lld callback ev 3 [ 974.313243] [0000:61:00.2]:[qedf_execute_tmf:2383]:1: fcport is uploading, not executing flush. [ 974.313295] [0000:61:00.2]:[qedf_execute_tmf:2400]:1: task mgmt command success... [ 984.031088] INFO: task jbd2/dm-15-8:7645 blocked for more than 120 seconds. [ 984.031136] Not tainted 4.18.0-305.el8.x86_64 #1 [ 984.031166] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 984.031209] jbd2/dm-15-8 D 0 7645 2 0x80004080 [ 984.031212] Call Trace: [ 984.031222] __schedule+0x2c4/0x700 [ 984.031230] ? unfreeze_partials.isra.83+0x16e/0x1a0 [ 984.031233] ? bit_wait_timeout+0x90/0x90 [ 984.031235] schedule+0x38/0xa0 [ 984.031238] io_schedule+0x12/0x40 [ 984.031240] bit_wait_io+0xd/0x50 [ 984.031243] __wait_on_bit+0x6c/0x80 [ 984.031248] ? free_buffer_head+0x21/0x50 [ 984.031251] out_of_line_wait_on_bit+0x91/0xb0 [ 984.031257] ? init_wait_var_entry+0x50/0x50 [ 984.031268] jbd2_journal_commit_transaction+0x112e/0x19f0 [jbd2] [ 984.031280] kjournald2+0xbd/0x270 [jbd2] [ 984.031284] ? finish_wait+0x80/0x80 [ 984.031291] ? commit_timeout+0x10/0x10 [jbd2] [ 984.031294] kthread+0x116/0x130 [ 984.031300] ? kthread_flush_work_fn+0x10/0x10 [ 984.031305] ret_from_fork+0x1f/0x40 There was a ref count issue when LOGO is received during TMF. This leads to one of the I/Os hanging with the driver. Fix the ref count.

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: NVD-CWE-Other

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 69ef2c692510d5154c613569caeeed3c74806231 7cc32ff0cd6c44a3c26de5faecfe8b5546198fad git Not specified
CNA Linux Linux affected 69ef2c692510d5154c613569caeeed3c74806231 87f187e5265bc8e3b38faef8b9db864cdd61dde7 git Not specified
CNA Linux Linux affected 69ef2c692510d5154c613569caeeed3c74806231 6be8eaad75ca73131e2a697f0270dc8ee73814a8 git Not specified
CNA Linux Linux affected 69ef2c692510d5154c613569caeeed3c74806231 7fcbed38503bb34c6e6538b6a9482d1c6bead1e8 git Not specified
CNA Linux Linux affected 69ef2c692510d5154c613569caeeed3c74806231 5239ab63f17cee643bd4bf6addfedebaa7d4f41e git Not specified
CNA Linux Linux affected 5.2 Not specified
CNA Linux Linux unaffected 5.2 semver Not specified
CNA Linux Linux unaffected 5.4.180 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.101 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.24 5.15.* semver Not specified
CNA Linux Linux unaffected 5.16.10 5.16.* semver Not specified
CNA Linux Linux unaffected 5.17 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/87f187e5265bc8e3b38faef8b9db864cdd61dde7 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/5239ab63f17cee643bd4bf6addfedebaa7d4f41e af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/7fcbed38503bb34c6e6538b6a9482d1c6bead1e8 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/7cc32ff0cd6c44a3c26de5faecfe8b5546198fad af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/6be8eaad75ca73131e2a697f0270dc8ee73814a8 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
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