github - ghsa-crw5-qp92-p6m7

ghsa-crw5-qp92-p6m7

Vulnerability from github

Published

2024-07-12 15:31

Modified

2024-09-09 18:30

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

In the Linux kernel, the following vulnerability has been resolved:

f2fs: don't set RO when shutting down f2fs

Shutdown does not check the error of thaw_super due to readonly, which causes a deadlock like below.

f2fs_ioc_shutdown(F2FS_GOING_DOWN_FULLSYNC) issue_discard_thread - bdev_freeze - freeze_super - f2fs_stop_checkpoint() - f2fs_handle_critical_error - sb_start_write - set RO - waiting - bdev_thaw - thaw_super_locked - return -EINVAL, if sb_rdonly() - f2fs_stop_discard_thread -> wait for kthread_stop(discard_thread);

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{
  "affected": [],
  "aliases": [
    "CVE-2024-40969"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-667"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-07-12T13:15:18Z",
    "severity": "MODERATE"
  },
  "details": "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);",
  "id": "GHSA-crw5-qp92-p6m7",
  "modified": "2024-09-09T18:30:29Z",
  "published": "2024-07-12T15:31:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-40969"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1036d3ea7a32cb7cee00885c73a1f2ba7fbc499a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563"
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  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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

References

▼	URL	Tags
	https://git.kernel.org/stable/c/1036d3ea7a32cb7cee00885c73a1f2ba7fbc499a
	https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563
	https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7

Impacted products

Vendor

Product

Version

▼

Linux

Version: 1da177e4c3f4
Version: 1da177e4c3f4
Version: 1da177e4c3f4

Linux

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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