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CVE-2026-74376 md/raid10: reset read_slot when reusing r10bio for discard

🗓️ 15 Aug 2026 05:58:55Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Linux kernel md/raid10 leaks repl_bio when reusing r10bio for discard without resetting read_slot.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/md/raid10.c"
    ],
    "versions": [
      {
        "version": "d30588b2731fb01e1616cf16c3fe79a1443e29aa",
        "lessThan": "3cb2a606ce4902eceabe68338df0653312f861f8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d30588b2731fb01e1616cf16c3fe79a1443e29aa",
        "lessThan": "561c9711e4f545d6464a023168bdee03b00fa945",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d30588b2731fb01e1616cf16c3fe79a1443e29aa",
        "lessThan": "ce3030e92f14362880055de5fe3c258971118853",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d30588b2731fb01e1616cf16c3fe79a1443e29aa",
        "lessThan": "742e4afd247d9c972695227716b03d432a7e1d26",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d30588b2731fb01e1616cf16c3fe79a1443e29aa",
        "lessThan": "b7313f23ea5a79b199a007bfad64a866cc2c22e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d30588b2731fb01e1616cf16c3fe79a1443e29aa",
        "lessThan": "eb04e3e9c14ed15914f5fd2eae8b6435f54f095f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d30588b2731fb01e1616cf16c3fe79a1443e29aa",
        "lessThan": "6b8a26af065ddc93de2aa5c9f0df98dce9723442",
        "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/raid10.c"
    ],
    "versions": [
      {
        "version": "5.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "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",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 05:46Current
CVSS 3.19.8
EPSS0.00502
35