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Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count rmi_f30_map_gpios() allocates gpioled_key_map with min(gpioled_count, TRACKSTICK_RANGE_END) == at most 6 entries, but rmi_f30_attention() iterates the full f30->gpioled_count (device query register, range 0..31) and dereferences gpioled_key_map[i], and input->keycodemax is set to the full gpioled_count while input->keycode points at the 6-entry allocation. A device that reports gpioled_count > 6 with GPIO support enabled therefore causes an out-of-bounds read on the attention interrupt and out-of-bounds read/write through the EVIOCGKEYCODE/EVIOCSKEYCODE ioctls, which bound the index only against keycodemax. This is the same defect as the F3A handler, which was copied from F30. Size the keymap for the full gpioled_count; the mapping loop still assigns only the first min(gpioled_count, TRACKSTICK_RANGE_END) entries.

Announced Source revision 1
Original source ↗

CVE-2026-64276

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-64276

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "3e64fcbdbd10e46dede502d507dbcc104837cd59",
        "lessThan": "8c6d18d61bb6fe0e6edf848413391c590552e8a9",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "3e64fcbdbd10e46dede502d507dbcc104837cd59",
        "lessThan": "d162a1ead7de404d8b41a093c83ed0db6487cded",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "3e64fcbdbd10e46dede502d507dbcc104837cd59",
        "lessThan": "f0be9eba946e9200b43265e0a748d38bd0a56954",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "3e64fcbdbd10e46dede502d507dbcc104837cd59",
        "lessThan": "26c895928d7118436a24f564587cb4aefc40cdd8",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "3e64fcbdbd10e46dede502d507dbcc104837cd59",
        "lessThan": "4e3689c26854356f41fbaa1eafa382e58ac79e00",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "3e64fcbdbd10e46dede502d507dbcc104837cd59",
        "lessThan": "e849c6f51e6877104c765da084e001ec37c8e119",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "3e64fcbdbd10e46dede502d507dbcc104837cd59",
        "lessThan": "bfe622efecd4ff0a792d0ecd1a8dce535a902f50",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "3e64fcbdbd10e46dede502d507dbcc104837cd59",
        "lessThan": "d577e46785d45484b2ab7e7309c49b18764bf56c",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/input/rmi4/rmi_f30.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "4.14"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "4.14",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.261",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.212",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.178",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.145",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.96",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.39",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.1.4",
        "versionType": "semver",
        "lessThanOrEqual": "7.1.*"
      },
      {
        "status": "unaffected",
        "version": "7.2",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/input/rmi4/rmi_f30.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-64276

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#40985 · Revision 1
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Publisher date
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