cve-2024-40969
Vulnerability from cvelistv5
Published
2024-07-12 12:32
Modified
2024-11-05 09:34
Severity ?
Summary
f2fs: don't set RO when shutting down f2fs
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website


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          "dateUpdated": "2024-08-02T04:39:56.044Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563"
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                "id": "CVE-2024-40969",
                "options": [
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                    "Exploitation": "none"
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                    "Automatable": "no"
                  },
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T17:03:00.775440Z",
                "version": "2.0.3"
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        "title": "CISA ADP Vulnrichment"
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/super.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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          "versions": [
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: don\u0027t set RO when shutting down f2fs\n\nShutdown does not check the error of thaw_super due to readonly, which\ncauses a deadlock like below.\n\nf2fs_ioc_shutdown(F2FS_GOING_DOWN_FULLSYNC)        issue_discard_thread\n - bdev_freeze\n  - freeze_super\n - f2fs_stop_checkpoint()\n  - f2fs_handle_critical_error                     - sb_start_write\n    - set RO                                         - waiting\n - bdev_thaw\n  - thaw_super_locked\n    - return -EINVAL, if sb_rdonly()\n - f2fs_stop_discard_thread\n  -\u003e wait for kthread_stop(discard_thread);"
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        },
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          "url": "https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7"
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      "title": "f2fs: don\u0027t set RO when shutting down f2fs",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-40969",
    "datePublished": "2024-07-12T12:32:08.139Z",
    "dateReserved": "2024-07-12T12:17:45.602Z",
    "dateUpdated": "2024-11-05T09:34:11.096Z",
    "state": "PUBLISHED"
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  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-40969\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-12T13:15:18.627\",\"lastModified\":\"2024-11-21T09:31:58.417\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: don\u0027t set RO when shutting down f2fs\\n\\nShutdown does not check the error of thaw_super due to readonly, which\\ncauses a deadlock like below.\\n\\nf2fs_ioc_shutdown(F2FS_GOING_DOWN_FULLSYNC)        issue_discard_thread\\n - bdev_freeze\\n  - freeze_super\\n - f2fs_stop_checkpoint()\\n  - f2fs_handle_critical_error                     - sb_start_write\\n    - set RO                                         - waiting\\n - bdev_thaw\\n  - thaw_super_locked\\n    - return -EINVAL, if sb_rdonly()\\n - f2fs_stop_discard_thread\\n  -\u003e wait for kthread_stop(discard_thread);\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: f2fs: no configure RO al apagar f2fs El apagado no verifica el error de thaw_super debido a solo lectura, lo que causa un punto muerto como el que se muestra a continuaci\u00f3n. f2fs_ioc_shutdown(F2FS_GOING_DOWN_FULLSYNC) issues_discard_thread - bdev_freeze - frozen_super - f2fs_stop_checkpoint() - f2fs_handle_critical_error - sb_start_write - establecer RO - esperando - bdev_thaw - thaw_super_locked - devolver -EINVAL, si sb_rdonly() - card_thread -\u0026gt; esperar kthread_stop(discard_thread);\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-667\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.6.36\",\"matchCriteriaId\":\"97F8F699-7041-44A4-9087-0E1FFC0543C8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.7\",\"matchCriteriaId\":\"0A047AF2-94AC-4A3A-B32D-6AB930D8EF1C\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1036d3ea7a32cb7cee00885c73a1f2ba7fbc499a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1036d3ea7a32cb7cee00885c73a1f2ba7fbc499a\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}"
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}


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