{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "9061f24bf82ec2e92dd1e7c10b98b680db023d31"
            },
            {
              "fixed": "0949d8bbbedbafe0136a1723c41eb823c2f1e09d"
            },
            {
              "fixed": "e792cfb6aeaf65612cdf8e3ac431d65e66283654"
            },
            {
              "fixed": "ebeb70e29e37cfce899309cc2665a3bfe960ed94"
            },
            {
              "fixed": "b157dab93a7af44a84e78cf0cb311dde475cff5b"
            },
            {
              "fixed": "8a005fe451c73fd2b3d1faa5643c11e6bd07acfc"
            },
            {
              "fixed": "7eb513b42721bee4b96da69f6188d5a7783f210d"
            },
            {
              "fixed": "b5c52908d52c6c8eb8933264aa6087a0600fd892"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.14.0"
            },
            {
              "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": "6.12.88"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.30"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46168.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix scheduling with atomic in timestamp sockopt\n\nUsing lock_sock_fast() (atomic context) around sock_set_timestamp()\nand sock_set_timestamping() is unsafe, as both helpers can sleep.\n\nReplace lock_sock_fast() with sleepable lock_sock()/release_sock()\nto avoid scheduling while atomic panic.",
  "id": "CVE-2026-46168",
  "modified": "2026-07-08T05:39:28.034865220Z",
  "published": "2026-05-28T09:36:23.394Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0949d8bbbedbafe0136a1723c41eb823c2f1e09d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7eb513b42721bee4b96da69f6188d5a7783f210d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a005fe451c73fd2b3d1faa5643c11e6bd07acfc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b157dab93a7af44a84e78cf0cb311dde475cff5b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b5c52908d52c6c8eb8933264aa6087a0600fd892"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e792cfb6aeaf65612cdf8e3ac431d65e66283654"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ebeb70e29e37cfce899309cc2665a3bfe960ed94"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46168.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46168"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "mptcp: fix scheduling with atomic in timestamp sockopt"
}