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CVE-2025-68374 md: fix rcu protection in md_wakeup_thread

🗓️ 24 Dec 2025 10:33:04Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

Fixed md_wakeup_thread RCU protection to avoid using the thread pointer before rcu_read_lock.

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/md.c",
      "drivers/md/md.h"
    ],
    "versions": [
      {
        "version": "4469315439827290923fce4f3f672599cabeb366",
        "lessThan": "21989cb5034c835b212385a2afadf279d8069da0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4469315439827290923fce4f3f672599cabeb366",
        "lessThan": "a4bd1caf591faeae44cb10b6517e7dacb5139bda",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4469315439827290923fce4f3f672599cabeb366",
        "lessThan": "f98b191f78124405294481dea85f8a22a3eb0a59",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4469315439827290923fce4f3f672599cabeb366",
        "lessThan": "0dc76205549b4c25705e54345f211b9f66e018a0",
        "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/md.c",
      "drivers/md/md.h"
    ],
    "versions": [
      {
        "version": "6.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.63",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.13",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.2",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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