fkie_cve-2023-53398
Vulnerability from fkie_nvd
Published
2025-09-18 14:15
Modified
2025-09-19 16:00
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: mlx5: fix possible ptp queue fifo use-after-free Fifo indexes are not checked during pop operations and it leads to potential use-after-free when poping from empty queue. Such case was possible during re-sync action. WARN_ON_ONCE covers future cases. There were out-of-order cqe spotted which lead to drain of the queue and use-after-free because of lack of fifo pointers check. Special check and counter are added to avoid resync operation if SKB could not exist in the fifo because of OOO cqe (skb_id must be between consumer and producer index).
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3a50cf1e8e5157b82268eee7e330dbe5736a0948
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/52e6e7a0bc04c85012a9251c7cf2d444a77eb966
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6afdedc4e66e3846ce497744f01b95c34bf39d21
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmlx5: fix possible ptp queue fifo use-after-free\n\nFifo indexes are not checked during pop operations and it leads to\npotential use-after-free when poping from empty queue. Such case was\npossible during re-sync action. WARN_ON_ONCE covers future cases.\n\nThere were out-of-order cqe spotted which lead to drain of the queue and\nuse-after-free because of lack of fifo pointers check. Special check and\ncounter are added to avoid resync operation if SKB could not exist in the\nfifo because of OOO cqe (skb_id must be between consumer and producer\nindex)."
    }
  ],
  "id": "CVE-2023-53398",
  "lastModified": "2025-09-19T16:00:27.847",
  "metrics": {},
  "published": "2025-09-18T14:15:43.050",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3a50cf1e8e5157b82268eee7e330dbe5736a0948"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/52e6e7a0bc04c85012a9251c7cf2d444a77eb966"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6afdedc4e66e3846ce497744f01b95c34bf39d21"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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