FKIE_CVE-2023-53839

Vulnerability from fkie_nvd - Published: 2025-12-09 16:17 - Updated: 2025-12-09 18:37
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: dccp: fix data-race around dp->dccps_mss_cache dccp_sendmsg() reads dp->dccps_mss_cache before locking the socket. Same thing in do_dccp_getsockopt(). Add READ_ONCE()/WRITE_ONCE() annotations, and change dccp_sendmsg() to check again dccps_mss_cache after socket is locked.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/162fa1e3cfb62aa780d7c40c8cccb6c2f8bef7c1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2bdc7f272b3a110a4e1fdee6c47c8d20f9b20817
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/67eebc7a9217f999b779d46fba5312a716f0dc1d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6d701c95ee6463abcbb6da543060d6e444554135
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a47e598fbd8617967e49d85c49c22f9fc642704c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a6ddc1c774874dc704f96a99d015dc759627bba7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d1f38d313bdfc52fb2f662e66d0c60dd1cfe2384
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f239c9e1d98b313435481b4926e8bdd06197e4d8
Impacted products
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndccp: fix data-race around dp-\u003edccps_mss_cache\n\ndccp_sendmsg() reads dp-\u003edccps_mss_cache before locking the socket.\nSame thing in do_dccp_getsockopt().\n\nAdd READ_ONCE()/WRITE_ONCE() annotations,\nand change dccp_sendmsg() to check again dccps_mss_cache\nafter socket is locked."
    }
  ],
  "id": "CVE-2023-53839",
  "lastModified": "2025-12-09T18:37:13.640",
  "metrics": {},
  "published": "2025-12-09T16:17:23.527",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/162fa1e3cfb62aa780d7c40c8cccb6c2f8bef7c1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2bdc7f272b3a110a4e1fdee6c47c8d20f9b20817"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/67eebc7a9217f999b779d46fba5312a716f0dc1d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6d701c95ee6463abcbb6da543060d6e444554135"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/a47e598fbd8617967e49d85c49c22f9fc642704c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/a6ddc1c774874dc704f96a99d015dc759627bba7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d1f38d313bdfc52fb2f662e66d0c60dd1cfe2384"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f239c9e1d98b313435481b4926e8bdd06197e4d8"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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