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CVE-2026-63902 USB: serial: cypress_m8: validate interrupt packet headers

🗓️ 19 Jul 2026 14:55:10Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 14 Views

Linux kernel fix validates Cypress M8 USB serial interrupt headers to prevent out-of-bounds reads.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-63902
19 Jul 202614:55
cve
EUVD
EUVD-2026-45675
19 Jul 202614:55
euvd
NVD
CVE-2026-63902
19 Jul 202616:17
nvd
OSV
CVE-2026-63902 USB: serial: cypress_m8: validate interrupt packet headers
19 Jul 202614:55
osv
OSV
DEBIAN-CVE-2026-63902
19 Jul 202619:48
osv
Positive Technologies
PT-2026-61219
19 Jul 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/usb/serial/cypress_m8.c"
    ],
    "versions": [
      {
        "version": "3416eaa1f8f8d516b77de514e14cf8da256d28fb",
        "lessThan": "fcef31a5a85ccf3c313449a866ec6ed7e4132425",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3416eaa1f8f8d516b77de514e14cf8da256d28fb",
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        "status": "affected",
        "versionType": "git"
      },
      {
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        "status": "affected",
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      },
      {
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        "status": "affected",
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      },
      {
        "version": "3416eaa1f8f8d516b77de514e14cf8da256d28fb",
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        "status": "affected",
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      },
      {
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      },
      {
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      },
      {
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      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/usb/serial/cypress_m8.c"
    ],
    "versions": [
      {
        "version": "2.6.26",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.26",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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