{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "7a0cf094944e2540758b7f957eb6846d5126f535"
            },
            {
              "fixed": "e015d1ac6b43a23c52c5163299414ae77d7d4ae0"
            },
            {
              "fixed": "4ee7c4e4719a825052f42f02ec159b5b42b68fbc"
            },
            {
              "fixed": "148b0dae2a1755beb873a2aab51fb191414f068c"
            },
            {
              "fixed": "6b1de022304ef85284c5933a5fb8492f6f54efc9"
            },
            {
              "fixed": "03c8761e75d1619906bb503686f9cc1dfc6a67f4"
            },
            {
              "fixed": "a246da20c8e4ae4319511c698b9f26ad0ad1769f"
            },
            {
              "fixed": "b655c2040ce836afad5643842543567b31f8c11d"
            },
            {
              "fixed": "d19cdc167e696714509e87d3f7ae765b6e164589"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "e897dd22800f02bd48aefb1511fff0b2ce96e94c"
            },
            {
              "last_affected": "2f0e9eed11ca778d0ec5507a739c28472fd4ca20"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.1.20"
            },
            {
              "fixed": "5.2"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.2.3"
            },
            {
              "fixed": "5.3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.3.0"
            },
            {
              "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/2026/93xxx/CVE-2026-93222.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsignal: avoid shared siginfo namespace rewrites\n\nsend_signal_locked() rewrites sender ids for the target namespace.  Group\nsends reuse the same siginfo, so one recipient can affect the next.\n\nCopy the siginfo before changing it.",
  "id": "CVE-2026-93222",
  "modified": "2026-09-26T03:30:53.240288609Z",
  "published": "2026-09-24T15:21:04.961Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/03c8761e75d1619906bb503686f9cc1dfc6a67f4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/148b0dae2a1755beb873a2aab51fb191414f068c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4ee7c4e4719a825052f42f02ec159b5b42b68fbc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6b1de022304ef85284c5933a5fb8492f6f54efc9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a246da20c8e4ae4319511c698b9f26ad0ad1769f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b655c2040ce836afad5643842543567b31f8c11d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d19cdc167e696714509e87d3f7ae765b6e164589"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e015d1ac6b43a23c52c5163299414ae77d7d4ae0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93222.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93222"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "signal: avoid shared siginfo namespace rewrites"
}