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CVE-2026-43288 ext4: move ext4_percpu_param_init() before ext4_mb_init()

🗓️ 08 May 2026 13:11:13Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Ext4 fix moves percpu parameter init before mb_init to prevent panic when DOUBLE_CHECK triggers.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/super.c"
    ],
    "versions": [
      {
        "version": "d5e03cbb0c88cd1be39f2adc37d602230045964b",
        "lessThan": "0d5fcb063cdabb9aeaa8554b7fedad2092c4150e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5e03cbb0c88cd1be39f2adc37d602230045964b",
        "lessThan": "9e9fb259bcddf459a0168f4a964e979e500a68a5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5e03cbb0c88cd1be39f2adc37d602230045964b",
        "lessThan": "bf5b609524497c195f801cd5707252384aed8149",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5e03cbb0c88cd1be39f2adc37d602230045964b",
        "lessThan": "aec095f3cc6cf209effd93278ce35be27db81d73",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5e03cbb0c88cd1be39f2adc37d602230045964b",
        "lessThan": "270564513489d98b721a1e4a10017978d5213bff",
        "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/ext4/super.c"
    ],
    "versions": [
      {
        "version": "3.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.128",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.16",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.6",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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