FKIE_CVE-2025-40056

Vulnerability from fkie_nvd - Published: 2025-10-28 12:15 - Updated: 2026-06-17 09:21
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: vhost: vringh: Fix copy_to_iter return value check The return value of copy_to_iter can't be negative, check whether the copied length is equal to the requested length instead of checking for negative values.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/439263376c2c4e126cac0d07e4987568de4eaba5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/68aac2b335d474b938d154b9c95cbc58838cb2ce
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/781226e11d5bdea0d69c7b5aa3cda874093c73b8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b3a950d236e98440c07405ba597b11bce56a8050
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bd71e7e0a612740e4de5524880c7cd40293af5f7
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/vhost/vringh.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "bd71e7e0a612740e4de5524880c7cd40293af5f7",
              "status": "affected",
              "version": "309bba39c945ac8ab8083ac05cd6cfe5822968e0",
              "versionType": "git"
            },
            {
              "lessThan": "781226e11d5bdea0d69c7b5aa3cda874093c73b8",
              "status": "affected",
              "version": "309bba39c945ac8ab8083ac05cd6cfe5822968e0",
              "versionType": "git"
            },
            {
              "lessThan": "b3a950d236e98440c07405ba597b11bce56a8050",
              "status": "affected",
              "version": "309bba39c945ac8ab8083ac05cd6cfe5822968e0",
              "versionType": "git"
            },
            {
              "lessThan": "68aac2b335d474b938d154b9c95cbc58838cb2ce",
              "status": "affected",
              "version": "309bba39c945ac8ab8083ac05cd6cfe5822968e0",
              "versionType": "git"
            },
            {
              "lessThan": "439263376c2c4e126cac0d07e4987568de4eaba5",
              "status": "affected",
              "version": "309bba39c945ac8ab8083ac05cd6cfe5822968e0",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/vhost/vringh.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.0"
            },
            {
              "lessThan": "6.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.156",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.112",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.53",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvhost: vringh: Fix copy_to_iter return value check\n\nThe return value of copy_to_iter can\u0027t be negative, check whether the\ncopied length is equal to the requested length instead of checking for\nnegative values."
    }
  ],
  "id": "CVE-2025-40056",
  "lastModified": "2026-06-17T09:21:11.587",
  "metrics": {},
  "published": "2025-10-28T12:15:39.907",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/439263376c2c4e126cac0d07e4987568de4eaba5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/68aac2b335d474b938d154b9c95cbc58838cb2ce"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/781226e11d5bdea0d69c7b5aa3cda874093c73b8"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b3a950d236e98440c07405ba597b11bce56a8050"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/bd71e7e0a612740e4de5524880c7cd40293af5f7"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}


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