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CVE-2025-39782 jbd2: prevent softlockup in jbd2_log_do_checkpoint()

🗓️ 11 Sep 2025 16:56:32Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Fix softlockup in jbd2_log_do_checkpoint by releasing j_list_lock and ensuring rescheduling.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/jbd2/checkpoint.c"
    ],
    "versions": [
      {
        "version": "f93ea411b73594f7d144855fd34278bcf34a9afc",
        "lessThan": "f683d611518d30334813eecf9a8c687453e2800e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f93ea411b73594f7d144855fd34278bcf34a9afc",
        "lessThan": "f7ee8fd689e6d534f9fd2494b9266f7998082e65",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f93ea411b73594f7d144855fd34278bcf34a9afc",
        "lessThan": "84ff98c1ea19acd3f9389e4bb6061364e943f85e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f93ea411b73594f7d144855fd34278bcf34a9afc",
        "lessThan": "26cb9aad94cb1811d8fae115594cc71fa3d91ab0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f93ea411b73594f7d144855fd34278bcf34a9afc",
        "lessThan": "41f40038de62e8306897cf6840791b268996432a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f93ea411b73594f7d144855fd34278bcf34a9afc",
        "lessThan": "429d50cbaff45090d52a1ea850d5de8c14881ee7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f93ea411b73594f7d144855fd34278bcf34a9afc",
        "lessThan": "3faac5e1d14c63260fd1bf789d96bde3ab3d9e54",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f93ea411b73594f7d144855fd34278bcf34a9afc",
        "lessThan": "9d98cf4632258720f18265a058e62fde120c0151",
        "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/jbd2/checkpoint.c"
    ],
    "versions": [
      {
        "version": "2.6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.297",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.241",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.190",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.149",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.103",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.44",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.4",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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