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CVE-2026-63963 usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers

🗓️ 19 Jul 2026 14:55:52Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

Linux kernel Type-C TCPM validates VDO count in Discover Identity acknowledgments to prevent leakage.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-63963
19 Jul 202614:55
attackerkb
circl
Circl
CVE-2026-63963
21 Jul 202609:28
circl
cve
CVE
CVE-2026-63963
19 Jul 202614:55
cve
debiancve
Debian CVE
CVE-2026-63963
19 Jul 202614:55
debiancve
euvd
EUVD
EUVD-2026-45736
19 Jul 202614:55
euvd
nvd
NVD
CVE-2026-63963
19 Jul 202616:17
nvd
osv
OSV
BELL-CVE-2026-63963
22 Jul 202606:05
osv
osv
OSV
DEBIAN-CVE-2026-63963
19 Jul 202616:17
osv
osv
OSV
ROOT-OS-DEBIAN-11-CVE-2026-63963 CVE-2026-63963 in linux - Patched by Root
5 Aug 202603:26
osv
osv
OSV
ROOT-OS-DEBIAN-12-CVE-2026-63963 CVE-2026-63963 in linux - Patched by Root
6 Aug 202604:58
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/usb/typec/tcpm/tcpm.c"
    ],
    "versions": [
      {
        "version": "f0690a25a140b853b1842fa80faf828601bb47e8",
        "lessThan": "569f7971542eb10025d8a0989b83f28a29d8ba20",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f0690a25a140b853b1842fa80faf828601bb47e8",
        "lessThan": "f9d787fbe83127105e42088cca40e5118db0d810",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f0690a25a140b853b1842fa80faf828601bb47e8",
        "lessThan": "ed8649f3822e211d025bcab5158af6f8a38c8705",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f0690a25a140b853b1842fa80faf828601bb47e8",
        "lessThan": "8fbc349e8383125dd2d8de1c1e926279d398ab17",
        "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/usb/typec/tcpm/tcpm.c"
    ],
    "versions": [
      {
        "version": "4.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.12",
        "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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