ghsa-9m7h-hjwm-6r7m
Vulnerability from github
Published
2024-06-21 12:31
Modified
2024-06-21 12:31
Details

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

efi: libstub: only free priv.runtime_map when allocated

priv.runtime_map is only allocated when efi_novamap is not set. Otherwise, it is an uninitialized value. In the error path, it is freed unconditionally. Avoid passing an uninitialized value to free_pool. Free priv.runtime_map only when it was allocated.

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

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{
  "affected": [],
  "aliases": [
    "CVE-2024-33619"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-21T11:15:09Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nefi: libstub: only free priv.runtime_map when allocated\n\npriv.runtime_map is only allocated when efi_novamap is not set.\nOtherwise, it is an uninitialized value.  In the error path, it is freed\nunconditionally.  Avoid passing an uninitialized value to free_pool.\nFree priv.runtime_map only when it was allocated.\n\nThis bug was discovered and resolved using Coverity Static Analysis\nSecurity Testing (SAST) by Synopsys, Inc.",
  "id": "GHSA-9m7h-hjwm-6r7m",
  "modified": "2024-06-21T12:31:19Z",
  "published": "2024-06-21T12:31:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-33619"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9dce01f386c9ce6990c0a83fa14b1c95330b037e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b8938d6f570f010a1dcdbfed3e5b5d3258c2a908"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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