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CVE-2023-53140 (GCVE-0-2023-53140)

Vulnerability from cvelistv5 – Published: 2025-05-02 15:56 – Updated: 2026-05-11 19:39
VLAI
Title
scsi: core: Remove the /proc/scsi/${proc_name} directory earlier
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: core: Remove the /proc/scsi/${proc_name} directory earlier Remove the /proc/scsi/${proc_name} directory earlier to fix a race condition between unloading and reloading kernel modules. This fixes a bug introduced in 2009 by commit 77c019768f06 ("[SCSI] fix /proc memory leak in the SCSI core"). Fix the following kernel warning: proc_dir_entry 'scsi/scsi_debug' already registered WARNING: CPU: 19 PID: 27986 at fs/proc/generic.c:376 proc_register+0x27d/0x2e0 Call Trace: proc_mkdir+0xb5/0xe0 scsi_proc_hostdir_add+0xb5/0x170 scsi_host_alloc+0x683/0x6c0 sdebug_driver_probe+0x6b/0x2d0 [scsi_debug] really_probe+0x159/0x540 __driver_probe_device+0xdc/0x230 driver_probe_device+0x4f/0x120 __device_attach_driver+0xef/0x180 bus_for_each_drv+0xe5/0x130 __device_attach+0x127/0x290 device_initial_probe+0x17/0x20 bus_probe_device+0x110/0x130 device_add+0x673/0xc80 device_register+0x1e/0x30 sdebug_add_host_helper+0x1a7/0x3b0 [scsi_debug] scsi_debug_init+0x64f/0x1000 [scsi_debug] do_one_initcall+0xd7/0x470 do_init_module+0xe7/0x330 load_module+0x122a/0x12c0 __do_sys_finit_module+0x124/0x1a0 __x64_sys_finit_module+0x46/0x50 do_syscall_64+0x38/0x80 entry_SYSCALL_64_after_hwframe+0x46/0xb0
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 77c019768f0607c36e25bec11ce3e1eabef09277 , < 13daafe1e209b03e9bda16ff2bd2b2da145a139b (git)
Affected: 77c019768f0607c36e25bec11ce3e1eabef09277 , < 891a3cba425cf483d96facca55aebd6ff1da4338 (git)
Affected: 77c019768f0607c36e25bec11ce3e1eabef09277 , < 6b223e32d66ca9db1f252f433514783d8b22a8e1 (git)
Affected: 77c019768f0607c36e25bec11ce3e1eabef09277 , < e471e928de97b00f297ad1015cc14f9459765713 (git)
Affected: 77c019768f0607c36e25bec11ce3e1eabef09277 , < 17e98a5ede81b7696bec421f7afa2dfe467f5e6b (git)
Affected: 77c019768f0607c36e25bec11ce3e1eabef09277 , < 1ec363599f8346d5a8d08c71a0d9860d6c420ec0 (git)
Affected: 77c019768f0607c36e25bec11ce3e1eabef09277 , < fc663711b94468f4e1427ebe289c9f05669699c9 (git)
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Linux Linux Affected: 2.6.30
Unaffected: 0 , < 2.6.30 (semver)
Unaffected: 4.19.278 , ≤ 4.19.* (semver)
Unaffected: 5.4.237 , ≤ 5.4.* (semver)
Unaffected: 5.10.175 , ≤ 5.10.* (semver)
Unaffected: 5.15.103 , ≤ 5.15.* (semver)
Unaffected: 6.1.20 , ≤ 6.1.* (semver)
Unaffected: 6.2.7 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: core: Remove the /proc/scsi/${proc_name} directory earlier\n\nRemove the /proc/scsi/${proc_name} directory earlier to fix a race\ncondition between unloading and reloading kernel modules. This fixes a bug\nintroduced in 2009 by commit 77c019768f06 (\"[SCSI] fix /proc memory leak in\nthe SCSI core\").\n\nFix the following kernel warning:\n\nproc_dir_entry \u0027scsi/scsi_debug\u0027 already registered\nWARNING: CPU: 19 PID: 27986 at fs/proc/generic.c:376 proc_register+0x27d/0x2e0\nCall Trace:\n proc_mkdir+0xb5/0xe0\n scsi_proc_hostdir_add+0xb5/0x170\n scsi_host_alloc+0x683/0x6c0\n sdebug_driver_probe+0x6b/0x2d0 [scsi_debug]\n really_probe+0x159/0x540\n __driver_probe_device+0xdc/0x230\n driver_probe_device+0x4f/0x120\n __device_attach_driver+0xef/0x180\n bus_for_each_drv+0xe5/0x130\n __device_attach+0x127/0x290\n device_initial_probe+0x17/0x20\n bus_probe_device+0x110/0x130\n device_add+0x673/0xc80\n device_register+0x1e/0x30\n sdebug_add_host_helper+0x1a7/0x3b0 [scsi_debug]\n scsi_debug_init+0x64f/0x1000 [scsi_debug]\n do_one_initcall+0xd7/0x470\n do_init_module+0xe7/0x330\n load_module+0x122a/0x12c0\n __do_sys_finit_module+0x124/0x1a0\n __x64_sys_finit_module+0x46/0x50\n do_syscall_64+0x38/0x80\n entry_SYSCALL_64_after_hwframe+0x46/0xb0"
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/fc663711b94468f4e1427ebe289c9f05669699c9"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53140",
    "datePublished": "2025-05-02T15:56:11.666Z",
    "dateReserved": "2025-05-02T15:51:43.562Z",
    "dateUpdated": "2026-05-11T19:39:13.137Z",
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This fixes a bug\\nintroduced in 2009 by commit 77c019768f06 (\\\"[SCSI] fix /proc memory leak in\\nthe SCSI core\\\").\\n\\nFix the following kernel warning:\\n\\nproc_dir_entry \u0027scsi/scsi_debug\u0027 already registered\\nWARNING: CPU: 19 PID: 27986 at fs/proc/generic.c:376 proc_register+0x27d/0x2e0\\nCall Trace:\\n proc_mkdir+0xb5/0xe0\\n scsi_proc_hostdir_add+0xb5/0x170\\n scsi_host_alloc+0x683/0x6c0\\n sdebug_driver_probe+0x6b/0x2d0 [scsi_debug]\\n really_probe+0x159/0x540\\n __driver_probe_device+0xdc/0x230\\n driver_probe_device+0x4f/0x120\\n __device_attach_driver+0xef/0x180\\n bus_for_each_drv+0xe5/0x130\\n __device_attach+0x127/0x290\\n device_initial_probe+0x17/0x20\\n bus_probe_device+0x110/0x130\\n device_add+0x673/0xc80\\n device_register+0x1e/0x30\\n sdebug_add_host_helper+0x1a7/0x3b0 [scsi_debug]\\n scsi_debug_init+0x64f/0x1000 [scsi_debug]\\n do_one_initcall+0xd7/0x470\\n do_init_module+0xe7/0x330\\n load_module+0x122a/0x12c0\\n __do_sys_finit_module+0x124/0x1a0\\n __x64_sys_finit_module+0x46/0x50\\n do_syscall_64+0x38/0x80\\n entry_SYSCALL_64_after_hwframe+0x46/0xb0\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: core: Eliminar el directorio /proc/scsi/${proc_name} antes. Eliminar el directorio /proc/scsi/${proc_name} antes para corregir una condici\u00f3n de ejecuci\u00f3n entre la descarga y la recarga de m\u00f3dulos del kernel. Esto corrige un error introducido en 2009 por el commit 77c019768f06 (\\\"[SCSI] corregir fuga de memoria de /proc en el n\u00facleo SCSI\\\"). Corrija la siguiente advertencia del kernel: proc_dir_entry \u0027scsi/scsi_debug\u0027 ya est\u00e1 registrado ADVERTENCIA: CPU: 19 PID: 27986 en fs/proc/generic.c:376 proc_register+0x27d/0x2e0 Seguimiento de llamadas: proc_mkdir+0xb5/0xe0 scsi_proc_hostdir_add+0xb5/0x170 scsi_host_alloc+0x683/0x6c0 sdebug_driver_probe+0x6b/0x2d0 [scsi_debug] really_probe+0x159/0x540 __driver_probe_device+0xdc/0x230 driver_probe_device+0x4f/0x120 __device_attach_driver+0xef/0x180 bus_for_each_drv+0xe5/0x130 __device_attach+0x127/0x290 device_initial_probe+0x17/0x20 bus_probe_device+0x110/0x130 device_add+0x673/0xc80 device_register+0x1e/0x30 sdebug_add_host_helper+0x1a7/0x3b0 [scsi_debug] scsi_debug_init+0x64f/0x1000 [scsi_debug] do_one_initcall+0xd7/0x470 do_init_module+0xe7/0x330 load_module+0x122a/0x12c0 __do_sys_finit_module+0x124/0x1a0 __x64_sys_finit_module+0x46/0x50 do_syscall_64+0x38/0x80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 \"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/scsi/hosts.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"77c019768f0607c36e25bec11ce3e1eabef09277\",\"lessThan\":\"13daafe1e209b03e9bda16ff2bd2b2da145a139b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"77c019768f0607c36e25bec11ce3e1eabef09277\",\"lessThan\":\"891a3cba425cf483d96facca55aebd6ff1da4338\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"77c019768f0607c36e25bec11ce3e1eabef09277\",\"lessThan\":\"6b223e32d66ca9db1f252f433514783d8b22a8e1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"77c019768f0607c36e25bec11ce3e1eabef09277\",\"lessThan\":\"e471e928de97b00f297ad1015cc14f9459765713\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"77c019768f0607c36e25bec11ce3e1eabef09277\",\"lessThan\":\"17e98a5ede81b7696bec421f7afa2dfe467f5e6b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"77c019768f0607c36e25bec11ce3e1eabef09277\",\"lessThan\":\"1ec363599f8346d5a8d08c71a0d9860d6c420ec0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"77c019768f0607c36e25bec11ce3e1eabef09277\",\"lessThan\":\"fc663711b94468f4e1427ebe289c9f05669699c9\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/scsi/hosts.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2.6.30\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"2.6.30\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.278\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.237\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.175\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.103\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.20\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.2.7\",\"lessThanOrEqual\":\"6.2.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.3\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.30\",\"versionEndExcluding\":\"4.19.278\",\"matchCriteriaId\":\"31353BBE-5C9B-43A5-966A-582F97C87578\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.237\",\"matchCriteriaId\":\"229D3E63-7A14-4507-9222-7E4821F6FF3F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.175\",\"matchCriteriaId\":\"BEA15466-227B-46FF-B5A8-1E8679056A83\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.103\",\"matchCriteriaId\":\"7A57CCEF-C453-48CE-9A6E-71A03C369F61\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.20\",\"matchCriteriaId\":\"B22D8949-72A1-4CED-8318-A040635DEEBE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.2.7\",\"matchCriteriaId\":\"EFEDDF17-189C-4901-BD6B-41752E80AAA4\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/13daafe1e209b03e9bda16ff2bd2b2da145a139b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/17e98a5ede81b7696bec421f7afa2dfe467f5e6b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1ec363599f8346d5a8d08c71a0d9860d6c420ec0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6b223e32d66ca9db1f252f433514783d8b22a8e1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/891a3cba425cf483d96facca55aebd6ff1da4338\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e471e928de97b00f297ad1015cc14f9459765713\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fc663711b94468f4e1427ebe289c9f05669699c9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T22:10:04+00:00",
      "cve": "CVE-2023-53140",
      "id": "CVE-2023-53140",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "399",
      "product_status:known_affected": "80",
      "product_status:known_not_affected": "76",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: scsi: core: Remove the /proc/scsi/${proc_name} directory earlier",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53140.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T16:48:06Z",
      "cve": "CVE-2023-53140",
      "id": "CVE-2023-53140",
      "initial_release_date": "2025-05-03T02:49:56Z",
      "product_status:known_affected": "535",
      "product_status:known_not_affected": "148",
      "product_status:recommended": "286",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-53140",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53140.json",
      "version": "52"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.