{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "303fff2b8c77a85c62dbde3b27c24b084144c04c"
            },
            {
              "fixed": "9b4dec75498fd0a1c9eaea680aef59c9519eb16f"
            },
            {
              "fixed": "c521dd78e036b5e0cfd394dd2ff2218890dd9e41"
            },
            {
              "fixed": "d4d56b00c7df88cd5751e7415bdfabc9fdbc82a7"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.15.0"
            },
            {
              "fixed": "6.12.111"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93812.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix sd_ndr.data memory leak in ksmbd_vfs_set_sd_xattr\n\nndr_encode_v4_ntacl() allocates sd_ndr.data via kzalloc() at entry.\nIf any subsequent ndr_write_*() call returns error during encoding,\nthe allocated sd_ndr.data won't be freed and causes memory leak.\n\nMove kfree(sd_ndr.data) into out label to ensure the buffer gets\nreleased on all success and error return paths.",
  "id": "CVE-2026-93812",
  "modified": "2026-09-27T03:30:17.500313246Z",
  "published": "2026-09-24T16:02:49.060Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b4dec75498fd0a1c9eaea680aef59c9519eb16f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c521dd78e036b5e0cfd394dd2ff2218890dd9e41"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d4d56b00c7df88cd5751e7415bdfabc9fdbc82a7"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93812.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93812"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "ksmbd: fix sd_ndr.data memory leak in ksmbd_vfs_set_sd_xattr"
}