{"api_version":"1","generated_at":"2026-10-29T10:47:35+00:00","cve":"CVE-2023-54184","urls":{"html":"https://cve.report/CVE-2023-54184","api":"https://cve.report/api/cve/CVE-2023-54184.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-54184","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-54184"},"summary":{"title":"scsi: target: iscsit: Free cmds before session free","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-12-30 13:16:06","updated_at":"2026-08-04 11:16:35"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"9.8","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"9.8","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/1911cca5916b6e106de7afa3ec0a38447158216c","name":"https://git.kernel.org/stable/c/1911cca5916b6e106de7afa3ec0a38447158216c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4ce221d295f53e6c6b835ab33181e735482c9aac","name":"https://git.kernel.org/stable/c/4ce221d295f53e6c6b835ab33181e735482c9aac","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d8990b5a4d065f38f35d69bcd627ec5a7f8330ca","name":"https://git.kernel.org/stable/c/d8990b5a4d065f38f35d69bcd627ec5a7f8330ca","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/89f5055f9b0b57c7e7f02e32df95ef401f809b71","name":"https://git.kernel.org/stable/c/89f5055f9b0b57c7e7f02e32df95ef401f809b71","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a7a4def6c7046e090bb10c6d550fdeb487db98ba","name":"https://git.kernel.org/stable/c/a7a4def6c7046e090bb10c6d550fdeb487db98ba","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4621e24c9257c6379343bf0c11b473817cf7edcd","name":"https://git.kernel.org/stable/c/4621e24c9257c6379343bf0c11b473817cf7edcd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-54184","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54184","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 988e3a85463d9b6dabc681df3f8f131b23c19953 89f5055f9b0b57c7e7f02e32df95ef401f809b71 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 988e3a85463d9b6dabc681df3f8f131b23c19953 4621e24c9257c6379343bf0c11b473817cf7edcd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 988e3a85463d9b6dabc681df3f8f131b23c19953 1911cca5916b6e106de7afa3ec0a38447158216c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 988e3a85463d9b6dabc681df3f8f131b23c19953 a7a4def6c7046e090bb10c6d550fdeb487db98ba git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 988e3a85463d9b6dabc681df3f8f131b23c19953 4ce221d295f53e6c6b835ab33181e735482c9aac git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 988e3a85463d9b6dabc681df3f8f131b23c19953 d8990b5a4d065f38f35d69bcd627ec5a7f8330ca git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.12 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.4.244 5.4.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.181 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.113 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.30 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.3.4 6.3.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.4 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2023","cve_id":"54184","cve":"CVE-2023-54184","epss":"0.004960000","percentile":"0.398620000","score_date":"2026-08-06","updated_at":"2026-08-07 00:14:20"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/target/iscsi/iscsi_target.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"89f5055f9b0b57c7e7f02e32df95ef401f809b71","status":"affected","version":"988e3a85463d9b6dabc681df3f8f131b23c19953","versionType":"git"},{"lessThan":"4621e24c9257c6379343bf0c11b473817cf7edcd","status":"affected","version":"988e3a85463d9b6dabc681df3f8f131b23c19953","versionType":"git"},{"lessThan":"1911cca5916b6e106de7afa3ec0a38447158216c","status":"affected","version":"988e3a85463d9b6dabc681df3f8f131b23c19953","versionType":"git"},{"lessThan":"a7a4def6c7046e090bb10c6d550fdeb487db98ba","status":"affected","version":"988e3a85463d9b6dabc681df3f8f131b23c19953","versionType":"git"},{"lessThan":"4ce221d295f53e6c6b835ab33181e735482c9aac","status":"affected","version":"988e3a85463d9b6dabc681df3f8f131b23c19953","versionType":"git"},{"lessThan":"d8990b5a4d065f38f35d69bcd627ec5a7f8330ca","status":"affected","version":"988e3a85463d9b6dabc681df3f8f131b23c19953","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/target/iscsi/iscsi_target.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.12"},{"lessThan":"3.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.244","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.181","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.113","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.30","versionType":"semver"},{"lessThanOrEqual":"6.3.*","status":"unaffected","version":"6.3.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.4","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.244","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.181","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.113","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.30","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.3.4","versionStartIncluding":"3.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.4","versionStartIncluding":"3.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV3_1":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-08-04T09:18:14.930Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/89f5055f9b0b57c7e7f02e32df95ef401f809b71"},{"url":"https://git.kernel.org/stable/c/4621e24c9257c6379343bf0c11b473817cf7edcd"},{"url":"https://git.kernel.org/stable/c/1911cca5916b6e106de7afa3ec0a38447158216c"},{"url":"https://git.kernel.org/stable/c/a7a4def6c7046e090bb10c6d550fdeb487db98ba"},{"url":"https://git.kernel.org/stable/c/4ce221d295f53e6c6b835ab33181e735482c9aac"},{"url":"https://git.kernel.org/stable/c/d8990b5a4d065f38f35d69bcd627ec5a7f8330ca"}],"title":"scsi: target: iscsit: Free cmds before session free","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2023-54184","datePublished":"2025-12-30T12:08:54.528Z","dateReserved":"2025-12-30T12:06:44.497Z","dateUpdated":"2026-08-04T09:18:14.930Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-30 13:16:06","lastModifiedDate":"2026-08-04 11:16:35","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2023","CveId":"54184","Ordinal":"1","Title":"scsi: target: iscsit: Free cmds before session free","CVE":"CVE-2023-54184","Year":"2023"},"notes":[{"CveYear":"2023","CveId":"54184","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"scsi: target: iscsit: Free cmds before session free"}]}}}