GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2023-54260 (GCVE-0-2023-54260)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:15 – Updated: 2026-05-11 19:58
VLAI
Title
cifs: Fix lost destroy smbd connection when MR allocate failed
Summary
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix lost destroy smbd connection when MR allocate failed If the MR allocate failed, the smb direct connection info is NULL, then smbd_destroy() will directly return, then the connection info will be leaked. Let's set the smb direct connection info to the server before call smbd_destroy().
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: c7398583340a6d82b8bb7f7f21edcde27dc6a898 , < d303e25887127364a6765eaf7ac68aa2bac518a9 (git)
Affected: c7398583340a6d82b8bb7f7f21edcde27dc6a898 , < 324c0c34fff1affd436e509325cb46739209704e (git)
Affected: c7398583340a6d82b8bb7f7f21edcde27dc6a898 , < caac205e0d5b44c4c23a10c6c0976d50ebe16ac2 (git)
Affected: c7398583340a6d82b8bb7f7f21edcde27dc6a898 , < 46cd6c639cddba2bd2d810ceb16bb20374ad75b0 (git)
Affected: c7398583340a6d82b8bb7f7f21edcde27dc6a898 , < c51ae01104b318bf15f3c5097faba5c72addba7a (git)
Affected: c7398583340a6d82b8bb7f7f21edcde27dc6a898 , < 04b7e13b8a13264282f874db5378fc3d3253cfac (git)
Affected: c7398583340a6d82b8bb7f7f21edcde27dc6a898 , < e9d3401d95d62a9531082cd2453ed42f2740e3fd (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.16
Unaffected: 0 , < 4.16 (semver)
Unaffected: 4.19.276 , ≤ 4.19.* (semver)
Unaffected: 5.4.235 , ≤ 5.4.* (semver)
Unaffected: 5.10.173 , ≤ 5.10.* (semver)
Unaffected: 5.15.99 , ≤ 5.15.* (semver)
Unaffected: 6.1.16 , ≤ 6.1.* (semver)
Unaffected: 6.2.3 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/smbdirect.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d303e25887127364a6765eaf7ac68aa2bac518a9",
              "status": "affected",
              "version": "c7398583340a6d82b8bb7f7f21edcde27dc6a898",
              "versionType": "git"
            },
            {
              "lessThan": "324c0c34fff1affd436e509325cb46739209704e",
              "status": "affected",
              "version": "c7398583340a6d82b8bb7f7f21edcde27dc6a898",
              "versionType": "git"
            },
            {
              "lessThan": "caac205e0d5b44c4c23a10c6c0976d50ebe16ac2",
              "status": "affected",
              "version": "c7398583340a6d82b8bb7f7f21edcde27dc6a898",
              "versionType": "git"
            },
            {
              "lessThan": "46cd6c639cddba2bd2d810ceb16bb20374ad75b0",
              "status": "affected",
              "version": "c7398583340a6d82b8bb7f7f21edcde27dc6a898",
              "versionType": "git"
            },
            {
              "lessThan": "c51ae01104b318bf15f3c5097faba5c72addba7a",
              "status": "affected",
              "version": "c7398583340a6d82b8bb7f7f21edcde27dc6a898",
              "versionType": "git"
            },
            {
              "lessThan": "04b7e13b8a13264282f874db5378fc3d3253cfac",
              "status": "affected",
              "version": "c7398583340a6d82b8bb7f7f21edcde27dc6a898",
              "versionType": "git"
            },
            {
              "lessThan": "e9d3401d95d62a9531082cd2453ed42f2740e3fd",
              "status": "affected",
              "version": "c7398583340a6d82b8bb7f7f21edcde27dc6a898",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/smbdirect.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.16"
            },
            {
              "lessThan": "4.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.276",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.235",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.173",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.99",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.2.*",
              "status": "unaffected",
              "version": "6.2.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.276",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.235",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.173",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.99",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.16",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2.3",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.3",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix lost destroy smbd connection when MR allocate failed\n\nIf the MR allocate failed, the smb direct connection info is NULL,\nthen smbd_destroy() will directly return, then the connection info\nwill be leaked.\n\nLet\u0027s set the smb direct connection info to the server before call\nsmbd_destroy()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:58:32.061Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d303e25887127364a6765eaf7ac68aa2bac518a9"
        },
        {
          "url": "https://git.kernel.org/stable/c/324c0c34fff1affd436e509325cb46739209704e"
        },
        {
          "url": "https://git.kernel.org/stable/c/caac205e0d5b44c4c23a10c6c0976d50ebe16ac2"
        },
        {
          "url": "https://git.kernel.org/stable/c/46cd6c639cddba2bd2d810ceb16bb20374ad75b0"
        },
        {
          "url": "https://git.kernel.org/stable/c/c51ae01104b318bf15f3c5097faba5c72addba7a"
        },
        {
          "url": "https://git.kernel.org/stable/c/04b7e13b8a13264282f874db5378fc3d3253cfac"
        },
        {
          "url": "https://git.kernel.org/stable/c/e9d3401d95d62a9531082cd2453ed42f2740e3fd"
        }
      ],
      "title": "cifs: Fix lost destroy smbd connection when MR allocate failed",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54260",
    "datePublished": "2025-12-30T12:15:54.205Z",
    "dateReserved": "2025-12-30T12:06:44.516Z",
    "dateUpdated": "2026-05-11T19:58:32.061Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-54260",
      "date": "2026-09-16",
      "epss": "0.002",
      "percentile": "0.10125"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-54260\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-30T13:16:14.777\",\"lastModified\":\"2026-06-17T06:47:06.733\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncifs: Fix lost destroy smbd connection when MR allocate failed\\n\\nIf the MR allocate failed, the smb direct connection info is NULL,\\nthen smbd_destroy() will directly return, then the connection info\\nwill be leaked.\\n\\nLet\u0027s set the smb direct connection info to the server before call\\nsmbd_destroy().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\\n\\ncifs: Correcci\u00f3n: p\u00e9rdida de la destrucci\u00f3n de la conexi\u00f3n smbd cuando la asignaci\u00f3n de MR fall\u00f3\\n\\nSi la asignaci\u00f3n de MR fall\u00f3, la informaci\u00f3n de conexi\u00f3n directa smb es NULL,\\nentonces smbd_destroy() regresar\u00e1 directamente, entonces la informaci\u00f3n de conexi\u00f3n\\nse filtrar\u00e1.\\n\\nEstablezcamos la informaci\u00f3n de conexi\u00f3n directa smb al servidor antes de llamar a smbd_destroy().\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/cifs/smbdirect.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"c7398583340a6d82b8bb7f7f21edcde27dc6a898\",\"lessThan\":\"d303e25887127364a6765eaf7ac68aa2bac518a9\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c7398583340a6d82b8bb7f7f21edcde27dc6a898\",\"lessThan\":\"324c0c34fff1affd436e509325cb46739209704e\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c7398583340a6d82b8bb7f7f21edcde27dc6a898\",\"lessThan\":\"caac205e0d5b44c4c23a10c6c0976d50ebe16ac2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c7398583340a6d82b8bb7f7f21edcde27dc6a898\",\"lessThan\":\"46cd6c639cddba2bd2d810ceb16bb20374ad75b0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c7398583340a6d82b8bb7f7f21edcde27dc6a898\",\"lessThan\":\"c51ae01104b318bf15f3c5097faba5c72addba7a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c7398583340a6d82b8bb7f7f21edcde27dc6a898\",\"lessThan\":\"04b7e13b8a13264282f874db5378fc3d3253cfac\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c7398583340a6d82b8bb7f7f21edcde27dc6a898\",\"lessThan\":\"e9d3401d95d62a9531082cd2453ed42f2740e3fd\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/cifs/smbdirect.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.16\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.16\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.276\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.235\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.173\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.99\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.16\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.2.3\",\"lessThanOrEqual\":\"6.2.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.3\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/04b7e13b8a13264282f874db5378fc3d3253cfac\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/324c0c34fff1affd436e509325cb46739209704e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/46cd6c639cddba2bd2d810ceb16bb20374ad75b0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c51ae01104b318bf15f3c5097faba5c72addba7a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/caac205e0d5b44c4c23a10c6c0976d50ebe16ac2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d303e25887127364a6765eaf7ac68aa2bac518a9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e9d3401d95d62a9531082cd2453ed42f2740e3fd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:16:19+00:00",
      "cve": "CVE-2023-54260",
      "id": "CVE-2023-54260",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "279",
      "product_status:known_affected": "70",
      "product_status:known_not_affected": "118",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: cifs: Fix lost destroy smbd connection when MR allocate failed",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54260.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-29T02:03:00Z",
      "cve": "CVE-2023-54260",
      "id": "CVE-2023-54260",
      "initial_release_date": "2025-12-31T00:27:17Z",
      "product_status:known_affected": "520",
      "product_status:known_not_affected": "208",
      "product_status:recommended": "248",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-54260",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-54260.json",
      "version": "24"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.