{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "f66e883eb6186bc43a79581b67aff7d1a69d0ff1"
            },
            {
              "fixed": "177e0c32fec3602bb3b64139bb8bb610cd6722c7"
            },
            {
              "fixed": "743e7aeb9575c0838d8996d40d81a6b8fa5cd060"
            },
            {
              "fixed": "590fc6140e29c54d2f7839eb9df78d106ee1905e"
            },
            {
              "fixed": "30845ed227475a11a49ccce047837d016b7e0f49"
            },
            {
              "fixed": "47ce611cb13f0eefa550d5434c1afcd4217bfc3e"
            },
            {
              "fixed": "9319706316a8e79f374627554386d575a84b637f"
            },
            {
              "fixed": "654b7e79443f5ea90849f5c1cf70c0d94bd5b10e"
            },
            {
              "fixed": "219644a3ad5518217b2d62cad6d2c36a2308c949"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.26"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.109"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.50"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89605.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\necryptfs: release message context on send failure\n\necryptfs_send_message_locked() moves a message context from the free\nlist to the allocated list before sending the request to the userspace\ndaemon.\n\nIf ecryptfs_send_miscdev() fails, the context is left on the\nallocated list and cannot be reused. Move it back to the free list on\nfailure and clear the caller's pointer.",
  "id": "CVE-2026-89605",
  "modified": "2026-09-15T03:30:42.018886784Z",
  "published": "2026-09-11T19:45:08.101Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/177e0c32fec3602bb3b64139bb8bb610cd6722c7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/219644a3ad5518217b2d62cad6d2c36a2308c949"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/30845ed227475a11a49ccce047837d016b7e0f49"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/47ce611cb13f0eefa550d5434c1afcd4217bfc3e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/590fc6140e29c54d2f7839eb9df78d106ee1905e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/654b7e79443f5ea90849f5c1cf70c0d94bd5b10e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/743e7aeb9575c0838d8996d40d81a6b8fa5cd060"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9319706316a8e79f374627554386d575a84b637f"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89605.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89605"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ecryptfs: release message context on send failure"
}