CVE-2023-52762 (GCVE-0-2023-52762)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:30 – Updated: 2026-05-11 19:32
VLAI
Title
virtio-blk: fix implicit overflow on virtio_max_dma_size
Summary
In the Linux kernel, the following vulnerability has been resolved: virtio-blk: fix implicit overflow on virtio_max_dma_size The following codes have an implicit conversion from size_t to u32: (u32)max_size = (size_t)virtio_max_dma_size(vdev); This may lead overflow, Ex (size_t)4G -> (u32)0. Once virtio_max_dma_size() has a larger size than U32_MAX, use U32_MAX instead.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 15:37 UTC
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: fd1068e1860e44aaaa337b516df4518d1ce98da1 , < 72775cad7f572bb2501f9ea609e1d20e68f0b38b (git)
Affected: fd1068e1860e44aaaa337b516df4518d1ce98da1 , < 472bd4787406bef2e8b41ee4c74d960a06a49a48 (git)
Affected: fd1068e1860e44aaaa337b516df4518d1ce98da1 , < 017278f141141367f7d14b203e930b45b6ffffb9 (git)
Affected: fd1068e1860e44aaaa337b516df4518d1ce98da1 , < d667fe301dcbcb12d1d6494fc4b8abee2cb75d90 (git)
Affected: fd1068e1860e44aaaa337b516df4518d1ce98da1 , < fafb51a67fb883eb2dde352539df939a251851be (git)
Create a notification for this product.
Linux Linux Affected: 5.1
Unaffected: 0 , < 5.1 (semver)
Unaffected: 5.15.140 , ≤ 5.15.* (semver)
Unaffected: 6.1.64 , ≤ 6.1.* (semver)
Unaffected: 6.5.13 , ≤ 6.5.* (semver)
Unaffected: 6.6.3 , ≤ 6.6.* (semver)
Unaffected: 6.7 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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                "url": "https://git.kernel.org/stable/c/fafb51a67fb883eb2dde352539df939a251851be"
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            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-52762",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
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                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-10T15:37:09.603259Z",
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              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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              "programFiles": [
                "drivers/block/virtio_blk.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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              "vendor": "Linux",
              "versions": [
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                  "status": "affected",
                  "version": "5.1"
                },
                {
                  "lessThan": "5.1",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
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                  "status": "unaffected",
                  "version": "5.15.140",
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                {
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                  "status": "unaffected",
                  "version": "6.1.64",
                  "versionType": "semver"
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                {
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                  "version": "6.5.13",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.3",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.7",
                  "versionType": "original_commit_for_fix"
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              ]
            }
          ],
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              "nodes": [
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                    {
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                      "versionEndExcluding": "5.15.140",
                      "versionStartIncluding": "5.1",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.64",
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                      "vulnerable": true
                    },
                    {
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                  "negate": false,
                  "operator": "OR"
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          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-blk: fix implicit overflow on virtio_max_dma_size\n\nThe following codes have an implicit conversion from size_t to u32:\n(u32)max_size = (size_t)virtio_max_dma_size(vdev);\n\nThis may lead overflow, Ex (size_t)4G -\u003e (u32)0. Once\nvirtio_max_dma_size() has a larger size than U32_MAX, use U32_MAX\ninstead."
            }
          ],
          "providerMetadata": {
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            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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          "references": [
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              "url": "https://git.kernel.org/stable/c/72775cad7f572bb2501f9ea609e1d20e68f0b38b"
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          "title": "virtio-blk: fix implicit overflow on virtio_max_dma_size",
          "x_generator": {
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      },
      "cveMetadata": {
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        "assignerShortName": "Linux",
        "cveId": "CVE-2023-52762",
        "datePublished": "2024-05-21T15:30:47.724Z",
        "dateReserved": "2024-05-21T15:19:24.238Z",
        "dateUpdated": "2026-01-05T10:17:12.792Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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

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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.



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.