cve-2024-27058
Vulnerability from cvelistv5
Published
2024-05-01 13:00
Modified
2024-08-02 00:21
Severity
Summary
tmpfs: fix race on handling dquot rbtree
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-27058",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-17T15:12:32.083830Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:46:41.269Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T00:21:05.876Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/c7077f43f30d817d10a9f8245e51576ac114b2f0"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/617d55b90e73c7b4aa2733ca6cc3f9b72d1124bb"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/f82f184874d2761ebaa60dccf577921a0dbb3810"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/0a69b6b3a026543bc215ccc866d0aea5579e6ce2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "mm/shmem_quota.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "c7077f43f30d",
              "status": "affected",
              "version": "eafc474e2029",
              "versionType": "git"
            },
            {
              "lessThan": "617d55b90e73",
              "status": "affected",
              "version": "eafc474e2029",
              "versionType": "git"
            },
            {
              "lessThan": "f82f184874d2",
              "status": "affected",
              "version": "eafc474e2029",
              "versionType": "git"
            },
            {
              "lessThan": "0a69b6b3a026",
              "status": "affected",
              "version": "eafc474e2029",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "mm/shmem_quota.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.6"
            },
            {
              "lessThan": "6.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.24",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.7.*",
              "status": "unaffected",
              "version": "6.7.12",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.8.*",
              "status": "unaffected",
              "version": "6.8.3",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.9",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntmpfs: fix race on handling dquot rbtree\n\nA syzkaller reproducer found a race while attempting to remove dquot\ninformation from the rb tree.\n\nFetching the rb_tree root node must also be protected by the\ndqopt-\u003edqio_sem, otherwise, giving the right timing, shmem_release_dquot()\nwill trigger a warning because it couldn\u0027t find a node in the tree, when\nthe real reason was the root node changing before the search starts:\n\nThread 1\t\t\t\tThread 2\n- shmem_release_dquot()\t\t\t- shmem_{acquire,release}_dquot()\n\n- fetch ROOT\t\t\t\t- Fetch ROOT\n\n\t\t\t\t\t- acquire dqio_sem\n- wait dqio_sem\n\n\t\t\t\t\t- do something, triger a tree rebalance\n\t\t\t\t\t- release dqio_sem\n\n- acquire dqio_sem\n- start searching for the node, but\n  from the wrong location, missing\n  the node, and triggering a warning."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-05-29T05:27:48.532Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/c7077f43f30d817d10a9f8245e51576ac114b2f0"
        },
        {
          "url": "https://git.kernel.org/stable/c/617d55b90e73c7b4aa2733ca6cc3f9b72d1124bb"
        },
        {
          "url": "https://git.kernel.org/stable/c/f82f184874d2761ebaa60dccf577921a0dbb3810"
        },
        {
          "url": "https://git.kernel.org/stable/c/0a69b6b3a026543bc215ccc866d0aea5579e6ce2"
        }
      ],
      "title": "tmpfs: fix race on handling dquot rbtree",
      "x_generator": {
        "engine": "bippy-a5840b7849dd"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-27058",
    "datePublished": "2024-05-01T13:00:06.852Z",
    "dateReserved": "2024-02-19T14:20:24.214Z",
    "dateUpdated": "2024-08-02T00:21:05.876Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-27058\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-01T13:15:50.450\",\"lastModified\":\"2024-05-01T19:50:25.633\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntmpfs: fix race on handling dquot rbtree\\n\\nA syzkaller reproducer found a race while attempting to remove dquot\\ninformation from the rb tree.\\n\\nFetching the rb_tree root node must also be protected by the\\ndqopt-\u003edqio_sem, otherwise, giving the right timing, shmem_release_dquot()\\nwill trigger a warning because it couldn\u0027t find a node in the tree, when\\nthe real reason was the root node changing before the search starts:\\n\\nThread 1\\t\\t\\t\\tThread 2\\n- shmem_release_dquot()\\t\\t\\t- shmem_{acquire,release}_dquot()\\n\\n- fetch ROOT\\t\\t\\t\\t- Fetch ROOT\\n\\n\\t\\t\\t\\t\\t- acquire dqio_sem\\n- wait dqio_sem\\n\\n\\t\\t\\t\\t\\t- do something, triger a tree rebalance\\n\\t\\t\\t\\t\\t- release dqio_sem\\n\\n- acquire dqio_sem\\n- start searching for the node, but\\n  from the wrong location, missing\\n  the node, and triggering a warning.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: tmpfs: corrige la ejecuci\u00f3n al manejar dquot rbtree Un reproductor syzkaller encontr\u00f3 una ejecuci\u00f3n al intentar eliminar informaci\u00f3n de dquot del \u00e1rbol rb. La recuperaci\u00f3n del nodo ra\u00edz de rb_tree tambi\u00e9n debe estar protegida por dqopt-\u0026gt;dqio_sem; de lo contrario, si se da el momento adecuado, shmem_release_dquot() activar\u00e1 una advertencia porque no pudo encontrar un nodo en el \u00e1rbol, cuando la verdadera raz\u00f3n era el nodo ra\u00edz. cambiando antes de que comience la b\u00fasqueda: Hilo 1 Hilo 2 - shmem_release_dquot() - shmem_{acquire,release}_dquot() - buscar ROOT - Obtener ROOT - adquirir dqio_sem - esperar dqio_sem - hacer algo, activar un reequilibrio de \u00e1rbol - liberar dqio_sem - adquirir dqio_sem - comienza a buscar el nodo, pero desde la ubicaci\u00f3n incorrecta, pierde el nodo y genera una advertencia.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0a69b6b3a026543bc215ccc866d0aea5579e6ce2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/617d55b90e73c7b4aa2733ca6cc3f9b72d1124bb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c7077f43f30d817d10a9f8245e51576ac114b2f0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f82f184874d2761ebaa60dccf577921a0dbb3810\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...