CVE-2025-39783 (GCVE-0-2025-39783)

Vulnerability from cvelistv5 – Published: 2025-09-11 16:56 – Updated: 2026-10-15 01:08
VLAI
Title
PCI: endpoint: Fix configfs group list head handling
Summary
In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Fix configfs group list head handling Doing a list_del() on the epf_group field of struct pci_epf_driver in pci_epf_remove_cfs() is not correct as this field is a list head, not a list entry. This list_del() call triggers a KASAN warning when an endpoint function driver which has a configfs attribute group is torn down: ================================================================== BUG: KASAN: slab-use-after-free in pci_epf_remove_cfs+0x17c/0x198 Write of size 8 at addr ffff00010f4a0d80 by task rmmod/319 CPU: 3 UID: 0 PID: 319 Comm: rmmod Not tainted 6.16.0-rc2 #1 NONE Hardware name: Radxa ROCK 5B (DT) Call trace: show_stack+0x2c/0x84 (C) dump_stack_lvl+0x70/0x98 print_report+0x17c/0x538 kasan_report+0xb8/0x190 __asan_report_store8_noabort+0x20/0x2c pci_epf_remove_cfs+0x17c/0x198 pci_epf_unregister_driver+0x18/0x30 nvmet_pci_epf_cleanup_module+0x24/0x30 [nvmet_pci_epf] __arm64_sys_delete_module+0x264/0x424 invoke_syscall+0x70/0x260 el0_svc_common.constprop.0+0xac/0x230 do_el0_svc+0x40/0x58 el0_svc+0x48/0xdc el0t_64_sync_handler+0x10c/0x138 el0t_64_sync+0x198/0x19c ... Remove this incorrect list_del() call from pci_epf_remove_cfs().
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6843 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < 80ea6e6904fb2ba4ccb5d909579988466ec65358 (git)
Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < d5aecddc3452371d9da82cdbb0c715812524b54b (git)
Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < dc4ffbd571716ff3b171418fb03abe80e720a7b1 (git)
Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < 409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2 (git)
Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < 0758862386f114d9ab1e23181461bd1e2e9ec4c6 (git)
Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < 6cf65505523224cab1449d726d2ce8180c2941ee (git)
Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < a302bd89db35d8b7e279de4d2b41c16c7f191069 (git)
Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < d79123d79a8154b4318529b7b2ff7e15806f480b (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.18
Unaffected: 0 , < 4.18 (semver)
Unaffected: 5.4.297 , ≤ 5.4.* (semver)
Unaffected: 5.10.241 , ≤ 5.10.* (semver)
Unaffected: 5.15.190 , ≤ 5.15.* (semver)
Unaffected: 6.1.149 , ≤ 6.1.* (semver)
Unaffected: 6.6.103 , ≤ 6.6.* (semver)
Unaffected: 6.12.44 , ≤ 6.12.* (semver)
Unaffected: 6.16.4 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens SIMATIC CN 4100 Affected: 0 , < V5.0 (custom)
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Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
guessed Create a notification for this product.
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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    "dateUpdated": "2026-10-15T01:08:19.552Z",
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                "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
                "vendor": "Siemens",
                "versions": [
                  {
                    "lessThan": "*",
                    "status": "affected",
                    "version": "V3.1.5",
                    "versionType": "custom"
                  }
                ]
              },
              {
                "defaultStatus": "unknown",
                "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
                "vendor": "Siemens",
                "versions": [
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                    "status": "affected",
                    "version": "V3.1.5",
                    "versionType": "custom"
                  }
                ]
              },
              {
                "defaultStatus": "unknown",
                "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
                "vendor": "Siemens",
                "versions": [
                  {
                    "lessThan": "*",
                    "status": "affected",
                    "version": "V3.1.5",
                    "versionType": "custom"
                  }
                ]
              },
              {
                "defaultStatus": "unknown",
                "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
                "vendor": "Siemens",
                "versions": [
                  {
                    "lessThan": "*",
                    "status": "affected",
                    "version": "V3.1.5",
                    "versionType": "custom"
                  }
                ]
              },
              {
                "defaultStatus": "unknown",
                "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
                "vendor": "Siemens",
                "versions": [
                  {
                    "lessThan": "*",
                    "status": "affected",
                    "version": "V3.1.5",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
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                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "EDFC0A76-DE1B-43B2-8E65-53BD60846112",
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                    "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
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        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix configfs group list head handling\n\nDoing a list_del() on the epf_group field of struct pci_epf_driver in\npci_epf_remove_cfs() is not correct as this field is a list head, not\na list entry. This list_del() call triggers a KASAN warning when an\nendpoint function driver which has a configfs attribute group is torn\ndown:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in pci_epf_remove_cfs+0x17c/0x198\nWrite of size 8 at addr ffff00010f4a0d80 by task rmmod/319\n\nCPU: 3 UID: 0 PID: 319 Comm: rmmod Not tainted 6.16.0-rc2 #1 NONE\nHardware name: Radxa ROCK 5B (DT)\nCall trace:\nshow_stack+0x2c/0x84 (C)\ndump_stack_lvl+0x70/0x98\nprint_report+0x17c/0x538\nkasan_report+0xb8/0x190\n__asan_report_store8_noabort+0x20/0x2c\npci_epf_remove_cfs+0x17c/0x198\npci_epf_unregister_driver+0x18/0x30\nnvmet_pci_epf_cleanup_module+0x24/0x30 [nvmet_pci_epf]\n__arm64_sys_delete_module+0x264/0x424\ninvoke_syscall+0x70/0x260\nel0_svc_common.constprop.0+0xac/0x230\ndo_el0_svc+0x40/0x58\nel0_svc+0x48/0xdc\nel0t_64_sync_handler+0x10c/0x138\nel0t_64_sync+0x198/0x19c\n...\n\nRemove this incorrect list_del() call from pci_epf_remove_cfs()."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nPCI: endpoint: Correcci\u00f3n del manejo de la cabecera de la lista de grupos de configfs\n\nRealizar un list_del() en el campo epf_group de la estructura pci_epf_driver en pci_epf_remove_cfs() no es correcto ya que este campo es una cabecera de lista, no una entrada de lista. Esta llamada a list_del() activa una advertencia de KASAN cuando un controlador de funci\u00f3n de endpoint que tiene un grupo de atributos de configfs es desmantelado:\n\n==================================================================\nERROR: KASAN: uso despu\u00e9s de liberaci\u00f3n de slab en pci_epf_remove_cfs+0x17c/0x198\nEscritura de tama\u00f1o 8 en la direcci\u00f3n ffff00010f4a0d80 por la tarea rmmod/319\n\nCPU: 3 UID: 0 PID: 319 Comm: rmmod Not tainted 6.16.0-rc2 #1 NONE\nNombre del hardware: Radxa ROCK 5B (DT)\nTraza de llamada:\nshow_stack+0x2c/0x84 (C)\ndump_stack_lvl+0x70/0x98\nprint_report+0x17c/0x538\nkasan_report+0xb8/0x190\n__asan_report_store8_noabort+0x20/0x2c\npci_epf_remove_cfs+0x17c/0x198\npci_epf_unregister_driver+0x18/0x30\nnvmet_pci_epf_cleanup_module+0x24/0x30 [nvmet_pci_epf]\n__arm64_sys_delete_module+0x264/0x424\ninvoke_syscall+0x70/0x260\nel0_svc_common.constprop.0+0xac/0x230\ndo_el0_svc+0x40/0x58\nel0_svc+0x48/0xdc\nel0t_64_sync_handler+0x10c/0x138\nel0t_64_sync+0x198/0x19c\n...\n\nEliminar esta llamada incorrecta a list_del() de pci_epf_remove_cfs()."
          }
        ],
        "id": "CVE-2025-39783",
        "lastModified": "2026-10-19T21:10:00.160",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2025-09-11T17:15:44.330",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
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            "url": "https://git.kernel.org/stable/c/0758862386f114d9ab1e23181461bd1e2e9ec4c6"
          },
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            "tags": [
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          },
          {
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            "tags": [
              "Third Party Advisory"
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          },
          {
            "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
            "url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html"
          },
          {
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            "url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"
          }
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        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-787"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T01:20:10+00:00",
      "cve": "CVE-2025-39783",
      "id": "CVE-2025-39783",
      "initial_release_date": "2025-09-11T00:00:00+00:00",
      "product_status:known_affected": "76",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: PCI: endpoint: Fix configfs group list head handling",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-39783.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-10-15T16:33:13Z",
      "cve": "CVE-2025-39783",
      "id": "CVE-2025-39783",
      "initial_release_date": "2025-09-11T23:23:47Z",
      "product_status:known_affected": "593",
      "product_status:known_not_affected": "190",
      "product_status:recommended": "495",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-39783",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2025/cve-2025-39783.json",
      "version": "57"
    }
  }
}



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