ghsa-rxxr-3f5p-3hc6
Vulnerability from github
Published
2025-10-22 15:31
Modified
2025-10-22 15:31
Details

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

net: fix skb leak in __skb_tstamp_tx()

Commit 50749f2dd685 ("tcp/udp: Fix memleaks of sk and zerocopy skbs with TX timestamp.") added a call to skb_orphan_frags_rx() to fix leaks with zerocopy skbs. But it ended up adding a leak of its own. When skb_orphan_frags_rx() fails, the function just returns, leaking the skb it just cloned. Free it before returning.

This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-53716"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-22T14:15:46Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix skb leak in __skb_tstamp_tx()\n\nCommit 50749f2dd685 (\"tcp/udp: Fix memleaks of sk and zerocopy skbs with\nTX timestamp.\") added a call to skb_orphan_frags_rx() to fix leaks with\nzerocopy skbs. But it ended up adding a leak of its own. When\nskb_orphan_frags_rx() fails, the function just returns, leaking the skb\nit just cloned. Free it before returning.\n\nThis bug was discovered and resolved using Coverity Static Analysis\nSecurity Testing (SAST) by Synopsys, Inc.",
  "id": "GHSA-rxxr-3f5p-3hc6",
  "modified": "2025-10-22T15:31:11Z",
  "published": "2025-10-22T15:31:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53716"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/58766252f6b2c0487cda6976a53d2bb03ae28e2a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/779332447108545ef04682ea29af5f85c0202aee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/82501f1ead557cbee1c2467654ec109a80334d22"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a02fb71d7192ff1a9a47c9d937624966c6e09af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a594382ec6d0cc8cff5a8bc7e61b54e3858fb243"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cc18b4685910d5d9de8314bae9c55790701b1811"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e06841a2abf9c82735cee39e88b1d79464088840"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f4d928c00254cfc9dd0ee7076f4a59bceec675f4"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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