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CVE-2026-64238 gpio: shared: fix deadlock on shared proxy's parent removal

🗓️ 24 Jul 2026 15:27:42Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Linux kernel gpio shared fix shortens lock scope to protect offset on read, preventing deadlock during proxy removal.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-64238
24 Jul 202615:27
attackerkb
CVE
CVE-2026-64238
24 Jul 202615:27
cve
Debian CVE
CVE-2026-64238
24 Jul 202615:27
debiancve
EUVD
EUVD-2026-48647
24 Jul 202615:27
euvd
NVD
CVE-2026-64238
24 Jul 202616:16
nvd
Positive Technologies
PT-2026-64353
24 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/gpio/gpiolib-shared.c"
    ],
    "versions": [
      {
        "version": "710abda58055ed5eaa8958107633cc12a365c328",
        "lessThan": "a554dfcd30dd5e41d1d67387b3bb85cea83e12e1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "710abda58055ed5eaa8958107633cc12a365c328",
        "lessThan": "a1b836607304f71051f9f9dcccf8b5097b86a1fb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "28f488e7b327630686378bb1d24e22cfc3fc162d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.19.12",
        "lessThan": "6.20",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpio/gpiolib-shared.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "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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