{"cve":"CVE-2022-48823","nvd":{"published":"2024-07-16T12:15:06.147","modified":"2026-08-13T00:17:26.237","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/5239ab63f17cee643bd4bf6addfedebaa7d4f41e","https://git.kernel.org/stable/c/6be8eaad75ca73131e2a697f0270dc8ee73814a8","https://git.kernel.org/stable/c/7cc32ff0cd6c44a3c26de5faecfe8b5546198fad","https://git.kernel.org/stable/c/7fcbed38503bb34c6e6538b6a9482d1c6bead1e8","https://git.kernel.org/stable/c/87f187e5265bc8e3b38faef8b9db864cdd61dde7"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:52:42.518321223+00:00"},"epss":{"cve":"CVE-2022-48823","score":0.00283,"percentile":0.20872,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}