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CVE-2026-72080 fs/resctrl: Fix use-after-free during unmount

🗓️ 15 Aug 2026 05:52:29Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Linux kernel resctrl use-after-free in mon_data during unmount; reader dereferences freed file private data when RDT_DELETED flag is not set for the default resource group.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-72080
15 Aug 202605:52
cve
debiancve
Debian CVE
CVE-2026-72080
15 Aug 202605:52
debiancve
euvd
EUVD
EUVD-2026-59038
15 Aug 202605:52
euvd
nvd
NVD
CVE-2026-72080
15 Aug 202606:21
nvd
osv
OSV
DEBIAN-CVE-2026-72080
15 Aug 202606:21
osv
ptsecurity
Positive Technologies
PT-2026-72269
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": [
      "fs/resctrl/rdtgroup.c"
    ],
    "versions": [
      {
        "version": "2a65660385444e9d9deffe995c71ee20443ef76e",
        "lessThan": "7b7bb07efe41bb646a93c4624aa2bb35df190342",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2a65660385444e9d9deffe995c71ee20443ef76e",
        "lessThan": "7d330a1d663381579b9d5dafa642b1b3158a0ce2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2a65660385444e9d9deffe995c71ee20443ef76e",
        "lessThan": "52fce648607e0d6a76eeb443d78708c49df1c554",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/resctrl/rdtgroup.c"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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