{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0d4597c8c5abdeeaf50774066c16683f30184dc8"
            },
            {
              "fixed": "91a44b406bc1f9e1c5da0cb7d0d5991b43b79147"
            },
            {
              "fixed": "106dc689206610cfa2098f593fdd1e020c997835"
            },
            {
              "fixed": "ec55a86f7fba7d9111df94b9c11a4755ed492995"
            },
            {
              "fixed": "8fdbb6262a4a3ed44a0830a7793903b54bb27bdc"
            },
            {
              "fixed": "d95cea9298be1ba8876e3f156be96d3a492085ca"
            },
            {
              "fixed": "033370ffb3c9c0264d19f8ba9ef769523266589a"
            },
            {
              "fixed": "b3cb8cae530b2727d8245684148bb49425f6765c"
            },
            {
              "fixed": "8141a2dc70080eda1aedc0389ed2db2b292af5bd"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.6.0"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.140"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.86"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.27"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46053.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: rds: fix MR cleanup on copy error\n\n__rds_rdma_map() hands sg/pages ownership to the transport after\nget_mr() succeeds. If copying the generated cookie back to user space\nfails after that point, the error path must not free those resources\nagain before dropping the MR reference.\n\nRemove the duplicate unpin/free from the put_user() failure branch so\nthat MR teardown is handled only through the existing final cleanup\npath.",
  "id": "CVE-2026-46053",
  "modified": "2026-07-15T01:49:01.511768904Z",
  "published": "2026-05-27T12:57:11.870Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/033370ffb3c9c0264d19f8ba9ef769523266589a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/106dc689206610cfa2098f593fdd1e020c997835"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8141a2dc70080eda1aedc0389ed2db2b292af5bd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8fdbb6262a4a3ed44a0830a7793903b54bb27bdc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/91a44b406bc1f9e1c5da0cb7d0d5991b43b79147"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b3cb8cae530b2727d8245684148bb49425f6765c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d95cea9298be1ba8876e3f156be96d3a492085ca"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ec55a86f7fba7d9111df94b9c11a4755ed492995"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46053.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46053"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "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": "net: rds: fix MR cleanup on copy error"
}