{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "f5c779b7ddbda30866cf2a27c63e34158f858c73"
            },
            {
              "fixed": "03a22a003f41b182245e6c71fe565e277cff7094"
            },
            {
              "fixed": "b967a595fb735d313a8676b2ca6a4cba38506482"
            },
            {
              "fixed": "55c677619084f9c9fa4146d933cc8ccafc924c87"
            },
            {
              "fixed": "99b25b046e47e4904373cfeb445c5483f1633d88"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "708c304b583d789957399dd8237f212cf8ad1e4d"
            },
            {
              "last_affected": "f623f627ad2b1dc215ab3b0df53fb05cfd3a1c3b"
            },
            {
              "last_affected": "d270631c21e68fb8016d6e231d022d7023a2df6f"
            },
            {
              "last_affected": "02f41d88f15d6b7d523e52cc3f87488f57e9265b"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.15.145"
            },
            {
              "fixed": "5.16"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.1.29"
            },
            {
              "fixed": "6.2"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.2.16"
            },
            {
              "fixed": "6.3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.3.2"
            },
            {
              "fixed": "6.4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.4.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90152.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix session leak in ksmbd_session_register()\n\nSee the procedure below:\n\n  smb2_sess_setup\n    ksmbd_smb2_session_create\n      __session_create\n        atomic_set(\u0026sess-\u003erefcnt, 2)\n        hash_add(sessions_table, \u0026sess-\u003ehlist, sess-\u003eid)\n    ksmbd_session_register\n      xa_store(\u0026conn-\u003esessions, sess-\u003eid, sess) // fail\n    ksmbd_user_session_put\n      atomic_dec(\u0026sess-\u003erefcnt) // refcnt is 1, session is not freed\n\nRemove the session from sessions_table and drop its table reference if\nxa_store() fails.",
  "id": "CVE-2026-90152",
  "modified": "2026-09-19T03:30:15.179588164Z",
  "published": "2026-09-17T16:06:45.641Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/03a22a003f41b182245e6c71fe565e277cff7094"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/55c677619084f9c9fa4146d933cc8ccafc924c87"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/99b25b046e47e4904373cfeb445c5483f1633d88"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b967a595fb735d313a8676b2ca6a4cba38506482"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90152.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90152"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "smb/server: fix session leak in ksmbd_session_register()"
}