FKIE_CVE-2026-68089

Vulnerability from fkie_nvd - Published: 2026-08-10 12:17 - Updated: 2026-08-17 05:18
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: iio: core: fix uninitialized data in debugfs If *ppos is non-zero then simple_write_to_buffer() will not initialize the start of buf[]. Non zero values for *ppos aren't going to work anyway. Test for them at the start of the function and return -EINVAL.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/89fbd3e32dffb6227f936a9578e6eb4632aa4580
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ab92ed206d41fd171ebd37bc46360d9f2140d043
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e166a8cfb28a3d0da260dd70cae274eb8c7cec8d
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/iio/industrialio-core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e166a8cfb28a3d0da260dd70cae274eb8c7cec8d",
              "status": "affected",
              "version": "6d5dd486c715908b5a6ed02315a15ff044a91025",
              "versionType": "git"
            },
            {
              "lessThan": "89fbd3e32dffb6227f936a9578e6eb4632aa4580",
              "status": "affected",
              "version": "6d5dd486c715908b5a6ed02315a15ff044a91025",
              "versionType": "git"
            },
            {
              "lessThan": "ab92ed206d41fd171ebd37bc46360d9f2140d043",
              "status": "affected",
              "version": "6d5dd486c715908b5a6ed02315a15ff044a91025",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/iio/industrialio-core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.15"
            },
            {
              "lessThan": "6.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.39",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "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\niio: core: fix uninitialized data in debugfs\n\nIf *ppos is non-zero then simple_write_to_buffer() will not initialize\nthe start of buf[].  Non zero values for *ppos aren\u0027t going to work\nanyway.  Test for them at the start of the function and return -EINVAL."
    }
  ],
  "id": "CVE-2026-68089",
  "lastModified": "2026-08-17T05:18:08.080",
  "metrics": {},
  "published": "2026-08-10T12:17:21.603",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/89fbd3e32dffb6227f936a9578e6eb4632aa4580"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ab92ed206d41fd171ebd37bc46360d9f2140d043"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e166a8cfb28a3d0da260dd70cae274eb8c7cec8d"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



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