ksmbd: fix use-after-free in ksmbd_session_rpc_open

{
  "id": "33ecea725113790201f0fd3530414c2c494303781a4d98bd5d9e51ea48566a70",
  "url": "https://osv.dev/vulnerability/CVE-2025-37926",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ksmbd: fix use-after-free in ksmbd_session_rpc_open",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_session_rpc_open A UAF issue can occur due to a race condition between ksmbd_session_rpc_open() and __session_rpc_close(). Add rpc_lock to the session to protect it.",
    "evidence": "osv:CVE-2025-37926",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.162",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.122",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.28",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.14.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-37926",
      "aliases": [
        "CVE-2025-37926"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0626e6641f6b467447c81dd7678a69c66f7746cf"
                },
                {
                  "fixed": "a4348710a7267705b75692dc1a000920481d1d92"
                },
                {
                  "fixed": "1067361a1cc6ad9cdf7acfc47f90012b72ad1502"
                },
                {
                  "fixed": "8fb3b6c85b7e3127161623586b62abcc366caa20"
                },
                {
                  "fixed": "6323fec65fe54b365961fed260dd579191e46121"
                },
                {
                  "fixed": "a1f46c99d9ea411f9bf30025b912d881d36fc709"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-37926.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.15.0"
                },
                {
                  "fixed": "6.1.162"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.122"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.28"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.14.6"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-37926.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.302759932Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1067361a1cc6ad9cdf7acfc47f90012b72ad1502",
        "https://git.kernel.org/stable/c/6323fec65fe54b365961fed260dd579191e46121",
        "https://git.kernel.org/stable/c/8fb3b6c85b7e3127161623586b62abcc366caa20",
        "https://git.kernel.org/stable/c/a1f46c99d9ea411f9bf30025b912d881d36fc709",
        "https://git.kernel.org/stable/c/a4348710a7267705b75692dc1a000920481d1d92",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37926.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-37926",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37926.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-37926",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517273,
  "published_at": "2025-05-20T15:21:53.359+00:00"
}