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CVE-2026-72482 gpib: fix double decrement of descriptor_busy in command_ioctl()

🗓️ 15 Aug 2026 05:57:20Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Linux kernel gpib command_ioctl() double-decrements descriptor_busy, re-enabling use-after-free on descriptor close.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-72482
15 Aug 202600:00
cve
debiancve
Debian CVE
CVE-2026-72482
15 Aug 202600:00
debiancve
euvd
EUVD
EUVD-2026-59381
15 Aug 202605:57
euvd
nvd
NVD
CVE-2026-72482
15 Aug 202606:22
nvd
osv
OSV
DEBIAN-CVE-2026-72482
15 Aug 202606:22
osv
ptsecurity
Positive Technologies
PT-2026-72670
15 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpib/common/gpib_os.c"
    ],
    "versions": [
      {
        "version": "cae26eff1b56d78bed7873cf3e60a2b1bdd4da6c",
        "lessThan": "fdee9f207a48ce204ec6cfceaa1459d2473600a5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d1857f8296dceb75d00ab857fc3c61bc00c7f5c6",
        "lessThan": "8b5f1d295dda8677e4545ce340053fcfa8b634c7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d1857f8296dceb75d00ab857fc3c61bc00c7f5c6",
        "lessThan": "c4faab452b3c1ada003d49c477609dd80523b9bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "28c75dd143ead62e0dfac564c79d251e21d5d74b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.18.22",
        "lessThan": "6.18.40",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "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/gpib/common/gpib_os.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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