{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-48823", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-48823", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2024-07-16T11:44:09.303Z", "updatedAt": "2026-08-12T23:57:18.410Z", "importedAt": "2026-10-24T01:56:45.230Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "scsi: qedf: Fix refcount issue when LOGO is received during TMF", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qedf: Fix refcount issue when LOGO is received during TMF\n\nHung task call trace was seen during LOGO processing.\n\n[ 974.309060] [0000:00:00.0]:[qedf_eh_device_reset:868]: 1:0:2:0: LUN RESET Issued...\n[ 974.309065] [0000:00:00.0]:[qedf_initiate_tmf:2422]: tm_flags 0x10 sc_cmd 00000000c16b930f op = 0x2a target_id = 0x2 lun=0\n[ 974.309178] [0000:00:00.0]:[qedf_initiate_tmf:2431]: portid=016900 tm_flags =LUN RESET\n[ 974.309222] [0000:00:00.0]:[qedf_initiate_tmf:2438]: orig io_req = 00000000ec78df8f xid = 0x180 ref_cnt = 1.\n[ 974.309625] host1: rport 016900: Received LOGO request while in state Ready\n[ 974.309627] host1: rport 016900: Delete port\n[ 974.309642] host1: rport 016900: work event 3\n[ 974.309644] host1: rport 016900: lld callback ev 3\n[ 974.313243] [0000:61:00.2]:[qedf_execute_tmf:2383]:1: fcport is uploading, not executing flush.\n[ 974.313295] [0000:61:00.2]:[qedf_execute_tmf:2400]:1: task mgmt command success...\n[ 984.031088] INFO: task jbd2/dm-15-8:7645 blocked for more than 120 seconds.\n[ 984.031136] Not tainted 4.18.0-305.el8.x86_64 #1\n\n[ 984.031166] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n[ 984.031209] jbd2/dm-15-8 D 0 7645 2 0x80004080\n[ 984.031212] Call Trace:\n[ 984.031222] __schedule+0x2c4/0x700\n[ 984.031230] ? unfreeze_partials.isra.83+0x16e/0x1a0\n[ 984.031233] ? bit_wait_timeout+0x90/0x90\n[ 984.031235] schedule+0x38/0xa0\n[ 984.031238] io_schedule+0x12/0x40\n[ 984.031240] bit_wait_io+0xd/0x50\n[ 984.031243] __wait_on_bit+0x6c/0x80\n[ 984.031248] ? free_buffer_head+0x21/0x50\n[ 984.031251] out_of_line_wait_on_bit+0x91/0xb0\n[ 984.031257] ? init_wait_var_entry+0x50/0x50\n[ 984.031268] jbd2_journal_commit_transaction+0x112e/0x19f0 [jbd2]\n[ 984.031280] kjournald2+0xbd/0x270 [jbd2]\n[ 984.031284] ? finish_wait+0x80/0x80\n[ 984.031291] ? commit_timeout+0x10/0x10 [jbd2]\n[ 984.031294] kthread+0x116/0x130\n[ 984.031300] ? kthread_flush_work_fn+0x10/0x10\n[ 984.031305] ret_from_fork+0x1f/0x40\n\nThere was a ref count issue when LOGO is received during TMF. This leads to\none of the I/Os hanging with the driver. Fix the ref count.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "69ef2c692510d5154c613569caeeed3c74806231", "status": "affected", "versionType": "git", "lessThan": "7cc32ff0cd6c44a3c26de5faecfe8b5546198fad" }, { "version": "69ef2c692510d5154c613569caeeed3c74806231", "status": "affected", "versionType": "git", "lessThan": "87f187e5265bc8e3b38faef8b9db864cdd61dde7" }, { "version": "69ef2c692510d5154c613569caeeed3c74806231", "status": "affected", "versionType": "git", "lessThan": "6be8eaad75ca73131e2a697f0270dc8ee73814a8" }, { "version": "69ef2c692510d5154c613569caeeed3c74806231", "status": "affected", "versionType": "git", "lessThan": "7fcbed38503bb34c6e6538b6a9482d1c6bead1e8" }, { "version": "69ef2c692510d5154c613569caeeed3c74806231", "status": "affected", "versionType": "git", "lessThan": "5239ab63f17cee643bd4bf6addfedebaa7d4f41e" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.2", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.2" }, { "version": "5.4.180", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.101", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.24", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "5.16.10", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.16.*" }, { "version": "5.17", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }