{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b4b491c0832ef90a7a5070e5975bc8427f2049ca"
            },
            {
              "fixed": "ad690c0c1b9131725619e352cb7c970488cbf436"
            },
            {
              "fixed": "3365209e758c845a197211645731f0e393a86012"
            },
            {
              "fixed": "aa94a37b5a3e560c277dac6f9e5d0d75549a6583"
            },
            {
              "fixed": "dd30c10ff60d2b30386c23bb7c61cc97f2385c97"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.18.0"
            },
            {
              "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-2026-98679.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: kxcjk-1013: reject duplicate event disable\n\nThe IIO core does not filter duplicate writes to the event enable\nattribute. kxcjk1013_write_event_config() already ignores repeated\nenable requests, but a repeated disable request still calls\nkxcjk1013_set_power_state(data, false), dropping a runtime PM reference\nthat was not acquired for this request. This can underflow the runtime\nPM usage count and trigger a \"Runtime PM usage count underflow\" warning.\n\nReturn early when the requested state already matches ev_enable_state.",
  "id": "CVE-2026-98679",
  "modified": "2026-10-20T02:30:43.431321013Z",
  "published": "2026-10-18T15:45:38.283Z",
  "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/3365209e758c845a197211645731f0e393a86012"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aa94a37b5a3e560c277dac6f9e5d0d75549a6583"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ad690c0c1b9131725619e352cb7c970488cbf436"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dd30c10ff60d2b30386c23bb7c61cc97f2385c97"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98679.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98679"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "iio: accel: kxcjk-1013: reject duplicate event disable"
}