CVE-2023-52618
Vulnerability from cvelistv5
Published
2024-03-18 10:19
Modified
2024-11-06 21:20
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
block/rnbd-srv: Check for unlikely string overflow
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5b9ea86e662035a886ccb5c76d56793cba618827
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/95bc866c11974d3e4a9d922275ea8127ff809cf7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9e4bf6a08d1e127bcc4bd72557f2dfafc6bc7f41
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a2c6206f18104fba7f887bf4dbbfe4c41adc4339
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/af7bbdac89739e2e7380387fda598848d3b7010f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f6abd5e17da33eba15df2bddc93413e76c2b55f7
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-52618",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-03-19T15:51:11.544669Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "description": "CWE-noinfo Not enough information",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-06T21:20:41.702Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T23:03:21.288Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/95bc866c11974d3e4a9d922275ea8127ff809cf7"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/f6abd5e17da33eba15df2bddc93413e76c2b55f7"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/af7bbdac89739e2e7380387fda598848d3b7010f"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/5b9ea86e662035a886ccb5c76d56793cba618827"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/a2c6206f18104fba7f887bf4dbbfe4c41adc4339"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/9e4bf6a08d1e127bcc4bd72557f2dfafc6bc7f41"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/block/rnbd/rnbd-srv.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "95bc866c1197",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "f6abd5e17da3",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "af7bbdac8973",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "5b9ea86e6620",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "a2c6206f1810",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "9e4bf6a08d1e",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/block/rnbd/rnbd-srv.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.210",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.149",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.77",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.7.*",
              "status": "unaffected",
              "version": "6.7.4",
              "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\nblock/rnbd-srv: Check for unlikely string overflow\n\nSince \"dev_search_path\" can technically be as large as PATH_MAX,\nthere was a risk of truncation when copying it and a second string\ninto \"full_path\" since it was also PATH_MAX sized. The W=1 builds were\nreporting this warning:\n\ndrivers/block/rnbd/rnbd-srv.c: In function \u0027process_msg_open.isra\u0027:\ndrivers/block/rnbd/rnbd-srv.c:616:51: warning: \u0027%s\u0027 directive output may be truncated writing up to 254 bytes into a region of size between 0 and 4095 [-Wformat-truncation=]\n  616 |                 snprintf(full_path, PATH_MAX, \"%s/%s\",\n      |                                                   ^~\nIn function \u0027rnbd_srv_get_full_path\u0027,\n    inlined from \u0027process_msg_open.isra\u0027 at drivers/block/rnbd/rnbd-srv.c:721:14: drivers/block/rnbd/rnbd-srv.c:616:17: note: \u0027snprintf\u0027 output between 2 and 4351 bytes into a destination of size 4096\n  616 |                 snprintf(full_path, PATH_MAX, \"%s/%s\",\n      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n  617 |                          dev_search_path, dev_name);\n      |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~\n\nTo fix this, unconditionally check for truncation (as was already done\nfor the case where \"%SESSNAME%\" was present)."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T14:49:49.467Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/95bc866c11974d3e4a9d922275ea8127ff809cf7"
        },
        {
          "url": "https://git.kernel.org/stable/c/f6abd5e17da33eba15df2bddc93413e76c2b55f7"
        },
        {
          "url": "https://git.kernel.org/stable/c/af7bbdac89739e2e7380387fda598848d3b7010f"
        },
        {
          "url": "https://git.kernel.org/stable/c/5b9ea86e662035a886ccb5c76d56793cba618827"
        },
        {
          "url": "https://git.kernel.org/stable/c/a2c6206f18104fba7f887bf4dbbfe4c41adc4339"
        },
        {
          "url": "https://git.kernel.org/stable/c/9e4bf6a08d1e127bcc4bd72557f2dfafc6bc7f41"
        }
      ],
      "title": "block/rnbd-srv: Check for unlikely string overflow",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52618",
    "datePublished": "2024-03-18T10:19:05.275Z",
    "dateReserved": "2024-03-06T09:52:12.089Z",
    "dateUpdated": "2024-11-06T21:20:41.702Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52618\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-18T11:15:09.110\",\"lastModified\":\"2024-11-06T22:35:03.783\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nblock/rnbd-srv: Check for unlikely string overflow\\n\\nSince \\\"dev_search_path\\\" can technically be as large as PATH_MAX,\\nthere was a risk of truncation when copying it and a second string\\ninto \\\"full_path\\\" since it was also PATH_MAX sized. The W=1 builds were\\nreporting this warning:\\n\\ndrivers/block/rnbd/rnbd-srv.c: In function \u0027process_msg_open.isra\u0027:\\ndrivers/block/rnbd/rnbd-srv.c:616:51: warning: \u0027%s\u0027 directive output may be truncated writing up to 254 bytes into a region of size between 0 and 4095 [-Wformat-truncation=]\\n  616 |                 snprintf(full_path, PATH_MAX, \\\"%s/%s\\\",\\n      |                                                   ^~\\nIn function \u0027rnbd_srv_get_full_path\u0027,\\n    inlined from \u0027process_msg_open.isra\u0027 at drivers/block/rnbd/rnbd-srv.c:721:14: drivers/block/rnbd/rnbd-srv.c:616:17: note: \u0027snprintf\u0027 output between 2 and 4351 bytes into a destination of size 4096\\n  616 |                 snprintf(full_path, PATH_MAX, \\\"%s/%s\\\",\\n      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\\n  617 |                          dev_search_path, dev_name);\\n      |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~\\n\\nTo fix this, unconditionally check for truncation (as was already done\\nfor the case where \\\"%SESSNAME%\\\" was present).\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: block/rnbd-srv: Comprueba si hay un desbordamiento de cadena improbable. Dado que \\\"dev_search_path\\\" t\u00e9cnicamente puede ser tan grande como PATH_MAX, exist\u00eda el riesgo de truncamiento al copiarlo y una segunda cadena en \\\" full_path\\\" ya que tambi\u00e9n ten\u00eda un tama\u00f1o PATH_MAX. Las compilaciones W=1 informaban esta advertencia: drivers/block/rnbd/rnbd-srv.c: En funci\u00f3n \u0027process_msg_open.isra\u0027: drivers/block/rnbd/rnbd-srv.c:616:51: advertencia: \u0027% La salida de la directiva s se puede truncar escribiendo hasta 254 bytes en una regi\u00f3n de tama\u00f1o entre 0 y 4095 [-Wformat-truncation=] 616 | snprintf(full_path, PATH_MAX, \\\"%s/%s\\\", | ^~ En la funci\u00f3n \u0027rnbd_srv_get_full_path\u0027, insertada desde \u0027process_msg_open.isra\u0027 en drivers/block/rnbd/rnbd-srv.c:721:14: drivers/block /rnbd/rnbd-srv.c:616:17: nota: \u0027snprintf\u0027 genera entre 2 y 4351 bytes en un destino de tama\u00f1o 4096 616 | snprintf(full_path, PATH_MAX, \\\"%s/%s\\\", | ^~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 617 | dev_search_path, dev_name); | ~~~~~~~ ~~~~~~~~~~~~~~~~~~~ Para solucionar este problema, verifique incondicionalmente el truncamiento (como ya se hizo en el caso en el que \\\"%SESSNAME%\\\" estaba presente).\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/5b9ea86e662035a886ccb5c76d56793cba618827\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/95bc866c11974d3e4a9d922275ea8127ff809cf7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9e4bf6a08d1e127bcc4bd72557f2dfafc6bc7f41\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a2c6206f18104fba7f887bf4dbbfe4c41adc4339\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/af7bbdac89739e2e7380387fda598848d3b7010f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f6abd5e17da33eba15df2bddc93413e76c2b55f7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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.