github - ghsa-6qx7-m4qh-j7cp

ghsa-6qx7-m4qh-j7cp

Vulnerability from github

Published

2024-05-21 15:31

Modified

2024-07-03 18:42

Severity ?

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

Details

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

virtio-net: fix pages leaking when building skb in big mode

We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47367"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-21T15:15:22Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-net: fix pages leaking when building skb in big mode\n\nWe try to use build_skb() if we had sufficient tailroom. But we forget\nto release the unused pages chained via private in big mode which will\nleak pages. Fixing this by release the pages after building the skb in\nbig mode.",
  "id": "GHSA-6qx7-m4qh-j7cp",
  "modified": "2024-07-03T18:42:50Z",
  "published": "2024-05-21T15:31:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47367"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67ba"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-47367 (GCVE-0-2021-47367)

Vulnerability from cvelistv5

Published

2024-05-21 15:03

Modified

2025-05-04 07:09

Severity ?

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

Summary

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix pages leaking when building skb in big mode We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode.

References

►

URL

Tags

	https://git.kernel.org/stable/c/f020bb63b5d2e5576acadd10e158fe3b04af67ba
	https://git.kernel.org/stable/c/afd92d82c9d715fb97565408755acad81573591a

Impacted products

Vendor

Product

Version

►

Version: fb32856b16ad9d5bcd75b76a274e2c515ac7b9d7
Version: fb32856b16ad9d5bcd75b76a274e2c515ac7b9d7

Version: 5.13

Show details on NVD website

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}

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