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CVE-2026-63958 usb: typec: ucsi: validate connector number in ucsi_connector_change()

🗓️ 19 Jul 2026 14:55:48Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

Linux kernel usb typec ucsi validates connector number to block zero or exceed cap.num_connectors.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-63958
19 Jul 202614:55
attackerkb
CVE
CVE-2026-63958
19 Jul 202614:55
cve
EUVD
EUVD-2026-45731
19 Jul 202614:55
euvd
NVD
CVE-2026-63958
19 Jul 202616:17
nvd
OSV
CVE-2026-63958 usb: typec: ucsi: validate connector number in ucsi_connector_change()
19 Jul 202614:55
osv
OSV
DEBIAN-CVE-2026-63958
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-63958
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61275
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/typec/ucsi/ucsi.c"
    ],
    "versions": [
      {
        "version": "c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f",
        "lessThan": "cea949203faef9cb783adc7b978cce056271e057",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f",
        "lessThan": "156b6f0aec6108909b0c4aedc78865b12766b347",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f",
        "lessThan": "bd24d92af4ae021b6209f28e9a57e1bf2260d4fd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f",
        "lessThan": "0edd1e21587b0483c7ceb993b9fb9668bbef7433",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f",
        "lessThan": "5af2719b460ab904c504fc069d1dd2a3aa2b22b0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f",
        "lessThan": "288a81a8507052bcfbf884d39a463c44c42c5fd9",
        "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/ucsi/ucsi.c"
    ],
    "versions": [
      {
        "version": "4.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.13",
        "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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