ghsa-54v9-xvg8-m8r8
Vulnerability from github
Published
2024-05-01 06:31
Modified
2024-05-17 12:30
Details

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

ksmbd: validate request buffer size in smb2_allocate_rsp_buf()

The response buffer should be allocated in smb2_allocate_rsp_buf before validating request. But the fields in payload as well as smb2 header is used in smb2_allocate_rsp_buf(). This patch add simple buffer size validation to avoid potencial out-of-bounds in request buffer.

Show details on source website


{
   affected: [],
   aliases: [
      "CVE-2024-26936",
   ],
   database_specific: {
      cwe_ids: [],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2024-05-01T06:15:08Z",
      severity: null,
   },
   details: "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: validate request buffer size in smb2_allocate_rsp_buf()\n\nThe response buffer should be allocated in smb2_allocate_rsp_buf\nbefore validating request. But the fields in payload as well as smb2 header\nis used in smb2_allocate_rsp_buf(). This patch add simple buffer size\nvalidation to avoid potencial out-of-bounds in request buffer.",
   id: "GHSA-54v9-xvg8-m8r8",
   modified: "2024-05-17T12:30:59Z",
   published: "2024-05-01T06:31:41Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2024-26936",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/17cf0c2794bdb6f39671265aa18aea5c22ee8c4a",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/21ff9d7d223c5c19cb4334009e4c0c83a2f4d674",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/2c27a64a2bc47d9bfc7c3cf8be14be53b1ee7cb6",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/5c20b242d4fed73a93591e48bfd9772e2322fb11",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/8f3d0bf1d0c62b539d54c5b9108a845cff619b99",
      },
   ],
   schema_version: "1.4.0",
   severity: [],
}


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