github - ghsa-484w-f535-whcj

ghsa-484w-f535-whcj

Vulnerability from github

Published

2024-03-03 00:30

Modified

2024-03-03 00:30

Details

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

btrfs: remove BUG() after failure to insert delayed dir index item

Instead of calling BUG() when we fail to insert a delayed dir index item into the delayed node's tree, we can just release all the resources we have allocated/acquired before and return the error to the caller. This is fine because all existing call chains undo anything they have done before calling btrfs_insert_delayed_dir_index() or BUG_ON (when creating pending snapshots in the transaction commit path).

So remove the BUG() call and do proper error handling.

This relates to a syzbot report linked below, but does not fix it because it only prevents hitting a BUG(), it does not fix the issue where somehow we attempt to use twice the same index number for different index items.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-52569"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-03-02T22:15:49Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: remove BUG() after failure to insert delayed dir index item\n\nInstead of calling BUG() when we fail to insert a delayed dir index item\ninto the delayed node\u0027s tree, we can just release all the resources we\nhave allocated/acquired before and return the error to the caller. This is\nfine because all existing call chains undo anything they have done before\ncalling btrfs_insert_delayed_dir_index() or BUG_ON (when creating pending\nsnapshots in the transaction commit path).\n\nSo remove the BUG() call and do proper error handling.\n\nThis relates to a syzbot report linked below, but does not fix it because\nit only prevents hitting a BUG(), it does not fix the issue where somehow\nwe attempt to use twice the same index number for different index items.",
  "id": "GHSA-484w-f535-whcj",
  "modified": "2024-03-03T00:30:32Z",
  "published": "2024-03-03T00:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52569"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2c58c3931ede7cd08cbecf1f1a4acaf0a04a41a9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/39c4a9522db0072570d602e9b365119e17fb9f4f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d10fd53393cc5de4b9cf1a4b8f9984f0a037aa51"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2023-52569

Vulnerability from cvelistv5

Published

2024-03-02 21:59

Modified

2024-12-19 08:21

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: btrfs: remove BUG() after failure to insert delayed dir index item Instead of calling BUG() when we fail to insert a delayed dir index item into the delayed node's tree, we can just release all the resources we have allocated/acquired before and return the error to the caller. This is fine because all existing call chains undo anything they have done before calling btrfs_insert_delayed_dir_index() or BUG_ON (when creating pending snapshots in the transaction commit path). So remove the BUG() call and do proper error handling. This relates to a syzbot report linked below, but does not fix it because it only prevents hitting a BUG(), it does not fix the issue where somehow we attempt to use twice the same index number for different index items.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/39c4a9522db0072570d602e9b365119e17fb9f4f
	https://git.kernel.org/stable/c/d10fd53393cc5de4b9cf1a4b8f9984f0a037aa51
	https://git.kernel.org/stable/c/2c58c3931ede7cd08cbecf1f1a4acaf0a04a41a9

Impacted products

Vendor

Product

Version

▼

Linux

Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Linux

Show details on NVD website

JSON

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                "role": "CISA Coordinator",
                "timestamp": "2024-03-05T15:57:36.904349Z",
                "version": "2.0.3"
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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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