{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6"
            },
            {
              "fixed": "b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2"
            },
            {
              "fixed": "b134ef820610bd873c9d59999d9824710964ce82"
            },
            {
              "fixed": "3a87212b1a09a1fdd730ce5520f7b1fc0b488511"
            },
            {
              "fixed": "5330036bc68d23672bfcc16c60c54701ae123083"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.12.113"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.56"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98668.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: buffer: Ensure bounce buffer used for unaligned case is zeroed.\n\niio_push_to_buffers_with_ts_unaligned() leaks uninitialized heap memory\nto userspace if the data passed in is not a multiple of 8 bytes and the\ntimestamp is enabled. Specify __GFP_ZERO for the devm_krealloc()\nto ensure any extra space is cleared.",
  "id": "CVE-2026-98668",
  "modified": "2026-10-20T02:30:32.538968852Z",
  "published": "2026-10-18T15:44:55.291Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3a87212b1a09a1fdd730ce5520f7b1fc0b488511"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5330036bc68d23672bfcc16c60c54701ae123083"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b134ef820610bd873c9d59999d9824710964ce82"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98668.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98668"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "iio: buffer: Ensure bounce buffer used for unaligned case is zeroed."
}