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HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq The wacom_intuos_bt_irq() function processes Bluetooth HID reports without sufficient bounds checking. A maliciously crafted short report can trigger an out-of-bounds read when copying data into the wacom structure. Specifically, report 0x03 requires at least 22 bytes to safely read the processed data and battery status, while report 0x04 (which falls through to 0x03) requires 32 bytes. Add explicit length checks for these report IDs and log a warning if a short report is received.

Announced Source revision 1
Original source ↗

CVE-2026-43051

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-2026-43051

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": "78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a",
        "lessThan": "d0ae84b3c9f3ea1a564eb1b7612113ca9fe8aada",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a",
        "lessThan": "5b5b9730111808410e404ceac2fabd32eef92fbd",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a",
        "lessThan": "fa8901cb1f0b2113a342db93bd5684b59fe99dcf",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a",
        "lessThan": "8bd690ac1242332c73cba10dacdad6c6642bbb94",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a",
        "lessThan": "41026bcc0fdf82605205c27935ef719cbc07193b",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a",
        "lessThan": "c8dc23c97680eebefde06da5858aaef1b37cf75d",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a",
        "lessThan": "3d78386b144453c47e81bf62dc3601b757f02d99",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "78761ff9bc4e944e0b4e5df1e7eedcfdbb1a9a1a",
        "lessThan": "2f1763f62909ccb6386ac50350fa0abbf5bb16a9",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/hid/wacom_wac.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "3.3"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "3.3",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.253",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.203",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.168",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.134",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.81",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.22",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "6.19.12",
        "versionType": "semver",
        "lessThanOrEqual": "6.19.*"
      },
      {
        "status": "unaffected",
        "version": "7.0",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/hid/wacom_wac.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-43051

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#40012 · Revision 1
Added to Heist Feed
Publisher date
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