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CVE-2025-40114 (GCVE-0-2025-40114)

Vulnerability from cvelistv5 – Published: 2025-04-18 07:01 – Updated: 2026-05-11 21:42
VLAI
Title
iio: light: Add check for array bounds in veml6075_read_int_time_ms
Summary
In the Linux kernel, the following vulnerability has been resolved: iio: light: Add check for array bounds in veml6075_read_int_time_ms The array contains only 5 elements, but the index calculated by veml6075_read_int_time_index can range from 0 to 7, which could lead to out-of-bounds access. The check prevents this issue. Coverity Issue CID 1574309: (#1 of 1): Out-of-bounds read (OVERRUN) overrun-local: Overrunning array veml6075_it_ms of 5 4-byte elements at element index 7 (byte offset 31) using index int_index (which evaluates to 7) This is hardening against potentially broken hardware. Good to have but not necessary to backport.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 14:47 UTC
CWE
  • CWE-129 - Improper Validation of Array Index
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 3b82f43238aecd73464aeacc9c73407079511533 , < 7a40b52d4442178bee0cf1c36bc450ab951cef0f (git)
Affected: 3b82f43238aecd73464aeacc9c73407079511533 , < 18a08b5632809faa671279b3cd27d5f96cc5a3f0 (git)
Affected: 3b82f43238aecd73464aeacc9c73407079511533 , < 9c40a68b7f97fa487e6c7e67fcf4f846a1f96692 (git)
Affected: 3b82f43238aecd73464aeacc9c73407079511533 , < ee735aa33db16c1fb5ebccbaf84ad38f5583f3cc (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.12.23 , ≤ 6.12.* (semver)
Unaffected: 6.13.11 , ≤ 6.13.* (semver)
Unaffected: 6.14.2 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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                  "lessThan": "7a40b52d4442178bee0cf1c36bc450ab951cef0f",
                  "status": "affected",
                  "version": "3b82f43238aecd73464aeacc9c73407079511533",
                  "versionType": "git"
                },
                {
                  "lessThan": "18a08b5632809faa671279b3cd27d5f96cc5a3f0",
                  "status": "affected",
                  "version": "3b82f43238aecd73464aeacc9c73407079511533",
                  "versionType": "git"
                },
                {
                  "lessThan": "9c40a68b7f97fa487e6c7e67fcf4f846a1f96692",
                  "status": "affected",
                  "version": "3b82f43238aecd73464aeacc9c73407079511533",
                  "versionType": "git"
                },
                {
                  "lessThan": "ee735aa33db16c1fb5ebccbaf84ad38f5583f3cc",
                  "status": "affected",
                  "version": "3b82f43238aecd73464aeacc9c73407079511533",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/iio/light/veml6075.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "6.8"
                },
                {
                  "lessThan": "6.8",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.12.*",
                  "status": "unaffected",
                  "version": "6.12.23",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.13.*",
                  "status": "unaffected",
                  "version": "6.13.11",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.14.*",
                  "status": "unaffected",
                  "version": "6.14.2",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.15",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.12.23",
                      "versionStartIncluding": "6.8",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.13.11",
                      "versionStartIncluding": "6.8",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.14.2",
                      "versionStartIncluding": "6.8",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.15",
                      "versionStartIncluding": "6.8",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: light: Add check for array bounds in veml6075_read_int_time_ms\n\nThe array contains only 5 elements, but the index calculated by\nveml6075_read_int_time_index can range from 0 to 7,\nwhich could lead to out-of-bounds access. The check prevents this issue.\n\nCoverity Issue\nCID 1574309: (#1 of 1): Out-of-bounds read (OVERRUN)\noverrun-local: Overrunning array veml6075_it_ms of 5 4-byte\nelements at element index 7 (byte offset 31) using\nindex int_index (which evaluates to 7)\n\nThis is hardening against potentially broken hardware. Good to have\nbut not necessary to backport."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T21:42:55.223Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/7a40b52d4442178bee0cf1c36bc450ab951cef0f"
            },
            {
              "url": "https://git.kernel.org/stable/c/18a08b5632809faa671279b3cd27d5f96cc5a3f0"
            },
            {
              "url": "https://git.kernel.org/stable/c/9c40a68b7f97fa487e6c7e67fcf4f846a1f96692"
            },
            {
              "url": "https://git.kernel.org/stable/c/ee735aa33db16c1fb5ebccbaf84ad38f5583f3cc"
            }
          ],
          "title": "iio: light: Add check for array bounds in veml6075_read_int_time_ms",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2025-40114",
        "datePublished": "2025-04-18T07:01:40.964Z",
        "dateReserved": "2025-04-16T07:20:57.168Z",
        "dateUpdated": "2026-05-11T21:42:55.223Z",
        "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.


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.