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CVE-2024-38559 (GCVE-0-2024-38559)

Vulnerability from cvelistv5 – Published: 2024-06-19 13:35 – Updated: 2026-05-12 11:54
VLAI
Title
scsi: qedf: Ensure the copied buf is NUL terminated
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Ensure the copied buf is NUL terminated Currently, we allocate a count-sized kernel buffer and copy count from userspace to that buffer. Later, we use kstrtouint on this buffer but we don't ensure that the string is terminated inside the buffer, this can lead to OOB read when using kstrtouint. Fix this issue by using memdup_user_nul instead of memdup_user.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-24 15:39 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < 1f84a2744ad813be23fc4be99fb74bfb24aadb95 (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < a75001678e1d38aa607d5b898ec7ff8ed0700d59 (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < 769b9fd2af02c069451fe9108dba73355d9a021c (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < dccd97b39ab2f2b1b9a47a1394647a4d65815255 (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < d93318f19d1e1a6d5f04f5d965eaa9055bb7c613 (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < 563e609275927c0b75fbfd0d90441543aa7b5e0d (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < 4907f5ad246fa9b51093ed7dfc7da9ebbd3f20b8 (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < 177f43c6892e6055de6541fe9391a8a3d1f95fc9 (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < d0184a375ee797eb657d74861ba0935b6e405c62 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.11
Unaffected: 0 , < 4.11 (semver)
Unaffected: 4.19.316 , ≤ 4.19.* (semver)
Unaffected: 5.4.278 , ≤ 5.4.* (semver)
Unaffected: 5.10.219 , ≤ 5.10.* (semver)
Unaffected: 5.15.161 , ≤ 5.15.* (semver)
Unaffected: 6.1.93 , ≤ 6.1.* (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.8.12 , ≤ 6.8.* (semver)
Unaffected: 6.9.3 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.10",
                      "versionStartIncluding": "4.11",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qedf: Ensure the copied buf is NUL terminated\n\nCurrently, we allocate a count-sized kernel buffer and copy count from\nuserspace to that buffer. Later, we use kstrtouint on this buffer but we\ndon\u0027t ensure that the string is terminated inside the buffer, this can\nlead to OOB read when using kstrtouint. Fix this issue by using\nmemdup_user_nul instead of memdup_user."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-05-04T09:14:05.664Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/1f84a2744ad813be23fc4be99fb74bfb24aadb95"
            },
            {
              "url": "https://git.kernel.org/stable/c/a75001678e1d38aa607d5b898ec7ff8ed0700d59"
            },
            {
              "url": "https://git.kernel.org/stable/c/769b9fd2af02c069451fe9108dba73355d9a021c"
            },
            {
              "url": "https://git.kernel.org/stable/c/dccd97b39ab2f2b1b9a47a1394647a4d65815255"
            },
            {
              "url": "https://git.kernel.org/stable/c/d93318f19d1e1a6d5f04f5d965eaa9055bb7c613"
            },
            {
              "url": "https://git.kernel.org/stable/c/563e609275927c0b75fbfd0d90441543aa7b5e0d"
            },
            {
              "url": "https://git.kernel.org/stable/c/4907f5ad246fa9b51093ed7dfc7da9ebbd3f20b8"
            },
            {
              "url": "https://git.kernel.org/stable/c/177f43c6892e6055de6541fe9391a8a3d1f95fc9"
            },
            {
              "url": "https://git.kernel.org/stable/c/d0184a375ee797eb657d74861ba0935b6e405c62"
            }
          ],
          "title": "scsi: qedf: Ensure the copied buf is NUL terminated",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-38559",
        "datePublished": "2024-06-19T13:35:28.888Z",
        "dateReserved": "2024-06-18T19:36:34.922Z",
        "dateUpdated": "2025-11-04T17:21:27.087Z",
        "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

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.