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CVE-2026-43065 ext4: always drain queued discard work in ext4_mb_release()

🗓️ 05 May 2026 15:23:25Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

CVE-2026-43065: ext4 now drains queued discard work in ext4_mb_release to avoid leftovers after remount with nodiscard.

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/mballoc.c"
    ],
    "versions": [
      {
        "version": "55cdd0af2bc5ffc92a2deb745627755aecd5db33",
        "lessThan": "e96c2354b170aaa53300c8e8fd59e41b133160f7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55cdd0af2bc5ffc92a2deb745627755aecd5db33",
        "lessThan": "c360e9d0def4f4ae03254a67c683103908555b75",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55cdd0af2bc5ffc92a2deb745627755aecd5db33",
        "lessThan": "1c82f863f090ab899085bdfade073313384b514b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55cdd0af2bc5ffc92a2deb745627755aecd5db33",
        "lessThan": "9b4d9dda6a71ad3425c8109d27c4c6bfb9da97b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55cdd0af2bc5ffc92a2deb745627755aecd5db33",
        "lessThan": "812b6a7cd3e7f3a3e8a24db85bc6313c26cb1098",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55cdd0af2bc5ffc92a2deb745627755aecd5db33",
        "lessThan": "b4737e26d4688b8aea88ad6ea4dbfeb6e78b0327",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55cdd0af2bc5ffc92a2deb745627755aecd5db33",
        "lessThan": "9ee29d20aab228adfb02ca93f87fb53c56c2f3af",
        "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/mballoc.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.168",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.131",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.80",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.21",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.11",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 22:17Current
EPSS0.00116
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