{"id":"CVE-2023-54184","summary":"scsi: target: iscsit: Free cmds before session free","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: iscsit: Free cmds before session free\n\nCommands from recovery entries are freed after session has been closed.\nThat leads to use-after-free at command free or NPE with such call trace:\n\nTime2Retain timer expired for SID: 1, cleaning up iSCSI session.\nBUG: kernel NULL pointer dereference, address: 0000000000000140\nRIP: 0010:sbitmap_queue_clear+0x3a/0xa0\nCall Trace:\n target_release_cmd_kref+0xd1/0x1f0 [target_core_mod]\n transport_generic_free_cmd+0xd1/0x180 [target_core_mod]\n iscsit_free_cmd+0x53/0xd0 [iscsi_target_mod]\n iscsit_free_connection_recovery_entries+0x29d/0x320 [iscsi_target_mod]\n iscsit_close_session+0x13a/0x140 [iscsi_target_mod]\n iscsit_check_post_dataout+0x440/0x440 [iscsi_target_mod]\n call_timer_fn+0x24/0x140\n\nMove cleanup of recovery enrties to before session freeing.","modified":"2026-05-18T05:57:12.731593145Z","published":"2025-12-30T12:08:54.528Z","related":["SUSE-SU-2026:1078-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54184.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1911cca5916b6e106de7afa3ec0a38447158216c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4621e24c9257c6379343bf0c11b473817cf7edcd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4ce221d295f53e6c6b835ab33181e735482c9aac"},{"type":"WEB","url":"https://git.kernel.org/stable/c/89f5055f9b0b57c7e7f02e32df95ef401f809b71"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a7a4def6c7046e090bb10c6d550fdeb487db98ba"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d8990b5a4d065f38f35d69bcd627ec5a7f8330ca"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54184.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54184"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"988e3a85463d9b6dabc681df3f8f131b23c19953"},{"fixed":"89f5055f9b0b57c7e7f02e32df95ef401f809b71"},{"fixed":"4621e24c9257c6379343bf0c11b473817cf7edcd"},{"fixed":"1911cca5916b6e106de7afa3ec0a38447158216c"},{"fixed":"a7a4def6c7046e090bb10c6d550fdeb487db98ba"},{"fixed":"4ce221d295f53e6c6b835ab33181e735482c9aac"},{"fixed":"d8990b5a4d065f38f35d69bcd627ec5a7f8330ca"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-54184.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.12.0"},{"fixed":"5.4.244"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.181"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.113"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.30"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.3.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-54184.json"}}],"schema_version":"1.7.5"}