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CVE-2026-72420 md/raid5: avoid R5_Overlap races while breaking stripe batches

🗓️ 15 Aug 2026 05:56:39Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Linux kernel md/raid5 race on R5_Overlap flag causes wait_on_bit deadlock during stripe batch breaking.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-72420
15 Aug 202600:00
cve
debiancve
Debian CVE
CVE-2026-72420
15 Aug 202600:00
debiancve
euvd
EUVD
EUVD-2026-59319
15 Aug 202605:56
euvd
nvd
NVD
CVE-2026-72420
15 Aug 202606:22
nvd
osv
OSV
DEBIAN-CVE-2026-72420
15 Aug 202606:22
osv
ptsecurity
Positive Technologies
PT-2026-72608
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/md/raid5.c"
    ],
    "versions": [
      {
        "version": "fb642b92c267beeefd352af9bc461eac93a7552c",
        "lessThan": "8031b0d02bd221a5f9add4357e291fc2a527b83a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb642b92c267beeefd352af9bc461eac93a7552c",
        "lessThan": "4d919c9b770996365806b6c8d701912d52baa306",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb642b92c267beeefd352af9bc461eac93a7552c",
        "lessThan": "d684b72dfbd320623ccaab0779aa841190488e7c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb642b92c267beeefd352af9bc461eac93a7552c",
        "lessThan": "55b77337bdd088c77461588e5ec094421b89911b",
        "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/md/raid5.c"
    ],
    "versions": [
      {
        "version": "4.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "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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