github - ghsa-j642-rp5q-w8w9

ghsa-j642-rp5q-w8w9

Vulnerability from github

Published

2024-03-15 21:30

Modified

2024-03-15 21:30

Details

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

io_uring: fix ltout double free on completion race

Always remove linked timeout on io_link_timeout_fn() from the master request link list, otherwise we may get use-after-free when first io_link_timeout_fn() puts linked timeout in the fail path, and then will be found and put on master's free.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47123"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-03-15T21:15:07Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: fix ltout double free on completion race\n\nAlways remove linked timeout on io_link_timeout_fn() from the master\nrequest link list, otherwise we may get use-after-free when first\nio_link_timeout_fn() puts linked timeout in the fail path, and then\nwill be found and put on master\u0027s free.",
  "id": "GHSA-j642-rp5q-w8w9",
  "modified": "2024-03-15T21:30:44Z",
  "published": "2024-03-15T21:30:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47123"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1f64f5e903b9d1d157875721e02adadc9d6f0a5d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/447c19f3b5074409c794b350b10306e1da1ef4ba"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2021-47123

Vulnerability from cvelistv5

Published

2024-03-15 20:14

Modified

2024-11-04 11:59

Severity ?

Summary

io_uring: fix ltout double free on completion race

References

▼	URL	Tags
	https://git.kernel.org/stable/c/1f64f5e903b9d1d157875721e02adadc9d6f0a5d
	https://git.kernel.org/stable/c/447c19f3b5074409c794b350b10306e1da1ef4ba

Impacted products

▼	Vendor	Product
	Linux	Linux
	Linux	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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