cve-2023-52638
Vulnerability from cvelistv5
Published
2024-04-03 14:54
Modified
2024-11-04 14:50
Severity ?
Summary
can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/03358aba991668d3bb2c65b3c82aa32c36851170
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/26dfe112ec2e95fe0099681f6aec33da13c2dd8e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/559b6322f9480bff68cfa98d108991e945a4f284
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6cdedc18ba7b9dacc36466e27e3267d201948c8d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aedda066d717a0b4335d7e0a00b2e3a61e40afcf
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/03358aba991668d3bb2c65b3c82aa32c36851170
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/26dfe112ec2e95fe0099681f6aec33da13c2dd8e
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/559b6322f9480bff68cfa98d108991e945a4f284
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6cdedc18ba7b9dacc36466e27e3267d201948c8d
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/aedda066d717a0b4335d7e0a00b2e3a61e40afcf
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-52638",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-06-17T19:30:24.987517Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-18T19:57:30.521Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T23:03:21.237Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/03358aba991668d3bb2c65b3c82aa32c36851170"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/aedda066d717a0b4335d7e0a00b2e3a61e40afcf"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/26dfe112ec2e95fe0099681f6aec33da13c2dd8e"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/559b6322f9480bff68cfa98d108991e945a4f284"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/6cdedc18ba7b9dacc36466e27e3267d201948c8d"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/can/j1939/j1939-priv.h",
            "net/can/j1939/main.c",
            "net/can/j1939/socket.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "03358aba9916",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "aedda066d717",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "26dfe112ec2e",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "559b6322f948",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "6cdedc18ba7b",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/can/j1939/j1939-priv.h",
            "net/can/j1939/main.c",
            "net/can/j1939/socket.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.149",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.79",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.18",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.7.*",
              "status": "unaffected",
              "version": "6.7.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.8",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: j1939: prevent deadlock by changing j1939_socks_lock to rwlock\n\nThe following 3 locks would race against each other, causing the\ndeadlock situation in the Syzbot bug report:\n\n- j1939_socks_lock\n- active_session_list_lock\n- sk_session_queue_lock\n\nA reasonable fix is to change j1939_socks_lock to an rwlock, since in\nthe rare situations where a write lock is required for the linked list\nthat j1939_socks_lock is protecting, the code does not attempt to\nacquire any more locks. This would break the circular lock dependency,\nwhere, for example, the current thread already locks j1939_socks_lock\nand attempts to acquire sk_session_queue_lock, and at the same time,\nanother thread attempts to acquire j1939_socks_lock while holding\nsk_session_queue_lock.\n\nNOTE: This patch along does not fix the unregister_netdevice bug\nreported by Syzbot; instead, it solves a deadlock situation to prepare\nfor one or more further patches to actually fix the Syzbot bug, which\nappears to be a reference counting problem within the j1939 codebase.\n\n[mkl: remove unrelated newline change]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T14:50:13.460Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/03358aba991668d3bb2c65b3c82aa32c36851170"
        },
        {
          "url": "https://git.kernel.org/stable/c/aedda066d717a0b4335d7e0a00b2e3a61e40afcf"
        },
        {
          "url": "https://git.kernel.org/stable/c/26dfe112ec2e95fe0099681f6aec33da13c2dd8e"
        },
        {
          "url": "https://git.kernel.org/stable/c/559b6322f9480bff68cfa98d108991e945a4f284"
        },
        {
          "url": "https://git.kernel.org/stable/c/6cdedc18ba7b9dacc36466e27e3267d201948c8d"
        }
      ],
      "title": "can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52638",
    "datePublished": "2024-04-03T14:54:41.271Z",
    "dateReserved": "2024-03-06T09:52:12.093Z",
    "dateUpdated": "2024-11-04T14:50:13.460Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52638\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-03T15:15:51.417\",\"lastModified\":\"2024-11-21T08:40:15.537\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncan: j1939: prevent deadlock by changing j1939_socks_lock to rwlock\\n\\nThe following 3 locks would race against each other, causing the\\ndeadlock situation in the Syzbot bug report:\\n\\n- j1939_socks_lock\\n- active_session_list_lock\\n- sk_session_queue_lock\\n\\nA reasonable fix is to change j1939_socks_lock to an rwlock, since in\\nthe rare situations where a write lock is required for the linked list\\nthat j1939_socks_lock is protecting, the code does not attempt to\\nacquire any more locks. This would break the circular lock dependency,\\nwhere, for example, the current thread already locks j1939_socks_lock\\nand attempts to acquire sk_session_queue_lock, and at the same time,\\nanother thread attempts to acquire j1939_socks_lock while holding\\nsk_session_queue_lock.\\n\\nNOTE: This patch along does not fix the unregister_netdevice bug\\nreported by Syzbot; instead, it solves a deadlock situation to prepare\\nfor one or more further patches to actually fix the Syzbot bug, which\\nappears to be a reference counting problem within the j1939 codebase.\\n\\n[mkl: remove unrelated newline change]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: j1939: previene el interbloqueo cambiando j1939_socks_lock a rwlock Los siguientes 3 bloqueos competir\u00edan entre s\u00ed, causando la situaci\u00f3n de interbloqueo en el informe de error de Syzbot: - j1939_socks_lock - active_session_list_lock - sk_session_queue_lock A Una soluci\u00f3n razonable es cambiar j1939_socks_lock por un rwlock, ya que en las raras situaciones en las que se requiere un bloqueo de escritura para la lista vinculada que j1939_socks_lock est\u00e1 protegiendo, el c\u00f3digo no intenta adquirir m\u00e1s bloqueos. Esto romper\u00eda la dependencia del bloqueo circular, donde, por ejemplo, el subproceso actual ya bloquea j1939_socks_lock e intenta adquirir sk_session_queue_lock y, al mismo tiempo, otro subproceso intenta adquirir j1939_socks_lock mientras mantiene sk_session_queue_lock. NOTA: Este parche no soluciona el error unregister_netdevice informado por Syzbot; en cambio, resuelve una situaci\u00f3n de punto muerto para prepararse para uno o m\u00e1s parches adicionales para corregir el error Syzbot, que parece ser un problema de conteo de referencias dentro del c\u00f3digo base j1939. [mkl: eliminar cambio de nueva l\u00ednea no relacionado]\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/03358aba991668d3bb2c65b3c82aa32c36851170\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/26dfe112ec2e95fe0099681f6aec33da13c2dd8e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/559b6322f9480bff68cfa98d108991e945a4f284\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6cdedc18ba7b9dacc36466e27e3267d201948c8d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aedda066d717a0b4335d7e0a00b2e3a61e40afcf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/03358aba991668d3bb2c65b3c82aa32c36851170\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/26dfe112ec2e95fe0099681f6aec33da13c2dd8e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/559b6322f9480bff68cfa98d108991e945a4f284\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/6cdedc18ba7b9dacc36466e27e3267d201948c8d\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/aedda066d717a0b4335d7e0a00b2e3a61e40afcf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.