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CVE-2026-89621 HID: mcp2221: validate report size in mcp2221_raw_event()

🗓️ 11 Sep 2026 19:45:19Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 34 Views

Out-of-bounds read in Linux mcp2221 HID driver leaks kernel memory to userspace.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89621
1 Oct 202618:00
–circl
cve
CVE
CVE-2026-89621
11 Sep 202619:45
–cve
debian
Debian
[SECURITY] [DSA 6528-1] linux security update
29 Sep 202609:49
–debian
debiancve
Debian CVE
CVE-2026-89621
11 Sep 202619:45
–debiancve
nessus
Tenable Nessus
Debian dsa-6528 : ata-modules-6.12.111+deb13-armmp-di - security update
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-89621
12 Sep 202600:00
–nessus
euvd
EUVD
EUVD-2026-76533
11 Sep 202619:45
–euvd
nvd
NVD
CVE-2026-89621
11 Sep 202620:19
–nvd
osv
OSV
AZL-100644 CVE-2026-89621 affecting package kernel 6.6.150.1-1
11 Sep 202620:19
–osv
osv
OSV
BELL-CVE-2026-89621
15 Sep 202606:05
–osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/hid/hid-mcp2221.c"
    ],
    "versions": [
      {
        "version": "67a95c21463d066060b0f66d65a75d45bb386ffb",
        "lessThan": "cb38b1f149b7143355b37e86c841acf0076e5c2a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "67a95c21463d066060b0f66d65a75d45bb386ffb",
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        "status": "affected",
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      },
      {
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      },
      {
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        "status": "affected",
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      },
      {
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        "status": "affected",
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      },
      {
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      },
      {
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        "status": "affected",
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      },
      {
        "version": "67a95c21463d066060b0f66d65a75d45bb386ffb",
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        "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/hid/hid-mcp2221.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.270",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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