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CVE-2026-80572 Input: byd - synchronize timer deletion before freeing private data

🗓️ 26 Aug 2026 14:37:33Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

UAF in Linux kernel byd psmouse driver when disconnect races with running timer callback.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/input/mouse/byd.c"
    ],
    "versions": [
      {
        "version": "2d5f5611dd0de52e9a52b56391a7049a52184e72",
        "lessThan": "84b205297fa15f97510342221d8c9a0119711478",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2d5f5611dd0de52e9a52b56391a7049a52184e72",
        "lessThan": "28d984a66b9e14be74986167b6ad40b5e0daf19a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2d5f5611dd0de52e9a52b56391a7049a52184e72",
        "lessThan": "ee944a706a18322b4a2599eebe8040a2994e928f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2d5f5611dd0de52e9a52b56391a7049a52184e72",
        "lessThan": "8dbfd8e32a13e116790780ed0be82b5a05eb9916",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2d5f5611dd0de52e9a52b56391a7049a52184e72",
        "lessThan": "2e509ef60ee41a2da0deb062c262bb530143fb37",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2d5f5611dd0de52e9a52b56391a7049a52184e72",
        "lessThan": "c83e79c0842ed29860648bcce5022ef0ba5001c6",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/input/mouse/byd.c"
    ],
    "versions": [
      {
        "version": "4.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.185",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.154",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.106",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.46",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.10",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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27 Aug 2026 12:40Current
CVSS 3.17.8
EPSS0.00176
40