GHSA-MGH7-45P9-8C23

Vulnerability from github – Published: 2025-05-01 15:31 – Updated: 2025-11-07 21:31
VLAI?
Details

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

net/x25: Fix skb leak in x25_lapb_receive_frame()

x25_lapb_receive_frame() using skb_copy() to get a private copy of skb, the new skb should be freed in the undersized/fragmented skb error handling path. Otherwise there is a memory leak.

Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2022-49809"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T15:16:04Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/x25: Fix skb leak in x25_lapb_receive_frame()\n\nx25_lapb_receive_frame() using skb_copy() to get a private copy of\nskb, the new skb should be freed in the undersized/fragmented skb\nerror handling path. Otherwise there is a memory leak.",
  "id": "GHSA-mgh7-45p9-8c23",
  "modified": "2025-11-07T21:31:19Z",
  "published": "2025-05-01T15:31:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49809"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0ef17d966445358a55c5f4ccf2c73cca3e39192b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2929cceb2fcf0ded7182562e4888afafece82cce"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2d675be16a461310d738d93f9f1a00da62055c5a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9f00da9c866d506998bf0a3f699ec900730472da"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c8baf1fc248b2e88642f094fea9509a9bf98c5bb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dfcfbe4f2e4b2c81cff4e79b48502d97fda73118"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e109b41870db995cae25dfaf0cc3922f9028b1a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fda0ba7c84b46d10947c687320804b9de149a921"
    }
  ],
  "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"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.