ghsa-52h9-53cv-vm4j
Vulnerability from github
Published
2024-04-26 15:30
Modified
2024-04-26 15:30
Details

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

aio: fix mremap after fork null-deref

Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced a null-deref if mremap is called on an old aio mapping after fork as mm->ioctx_table will be set to NULL.

[jmoyer@redhat.com: fix 80 column issue]

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2023-52646"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-04-26T13:15:46Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\naio: fix mremap after fork null-deref\n\nCommit e4a0d3e720e7 (\"aio: Make it possible to remap aio ring\") introduced\na null-deref if mremap is called on an old aio mapping after fork as\nmm-\u003eioctx_table will be set to NULL.\n\n[jmoyer@redhat.com: fix 80 column issue]",
  "id": "GHSA-52h9-53cv-vm4j",
  "modified": "2024-04-26T15:30:30Z",
  "published": "2024-04-26T15:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52646"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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