{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-53387",
  "modified": "2026-10-09T11:39:44Z",
  "upstream": [
    "CVE-2026-53387"
  ],
  "published": "2026-07-19T11:59:46Z",
  "summary": "iio: light: veml6075: add bounds check to veml6075_it_ms index",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: light: veml6075: add bounds check to veml6075_it_ms index\n\nveml6075_it_ms has 5 elements but VEML6075_CONF_IT can yield values 0-7.\nIf it returns a value >= 5, this causes an out-of-bounds array access.\nAdd a bounds check and return -EINVAL if the index is out of range.\n\nThe problem values are reserved so should never be read from the\nregister. Hence this is hardening against fault device, missprogramming\nor bus corruption.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"
    }
  ],
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-53387"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/df9127a1d2d748e426c49c8fcd9b6801e4eb743d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0a89002737ee34decc20fa232204dbe5fe83e0de"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f75beebcd5bc9bdc80e0722142e78a6f306214ee"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e545936e06f1c7173ab41a5f33a77ff43ced3a8d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/307dc4240bd41852d9e0912921e298160db1c109"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-17T05:24:08Z",
    "severity": {
      "source": "kernel CNA",
      "cvss_v3_score": 7.1,
      "cvss_v3_severity": "High",
      "scenario": "AV:L - The vulnerable code is reached only via local sysfs reads of IIO channel attributes (e.g. in_intensity_uva_raw), which require filesystem access on the target system; there is no network-facing kernel entry point.\nAC:L - An attacker with access to /dev/i2c-* can use I2C_SLAVE_FORCE and I2C_RDWR to program reserved IT values (5\u20137) into the sensor configuration register, then reliably trigger the out-of-bounds read with a normal sysfs read.\nPR:L - Triggering the bug requires only reading world-readable (0444) IIO sysfs attributes, which is available to an unprivileged local user on typical embedded/Linux deployments where /sys is accessible.\nUI:N - Exploitation requires no action by a separate victim; the attacker directly issues the sysfs read that invokes the vulnerable measurement path.\nS:U - Impact is confined to kernel driver behavior on the local system; there is no crossing of security boundaries such as VM escape, sandbox escape, or IOMMU bypass.\nC:H - The bug is an out-of-bounds read of kernel memory (up to 12 bytes past a static array in .rodata) when the integration-time index is 5, 6, or 7; per kernel scoring guidance, out-of-bounds reads are rated High unless strictly bounded, and the leaked value is not returned to userspace.\nI:N - The flaw is a read-only out-of-bounds array access; the out-of-bounds value is consumed only by msleep() and does not modify memory or enable arbitrary writes or code execution.\nA:H - An out-of-bounds integration-time value fed into msleep() can produce a very long uninterruptible sleep while the driver mutex is held, blocking all concurrent sensor reads and causing a denial of service on embedded/IoT systems that depend on the UV sensor."
    }
  }
}