{"id":"CVE-2026-93222","revision":"d6bba686003f4497b98a21abf0ef3a92","records":[{"revision":"d6bba686003f4497b98a21abf0ef3a92","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93222","aliases":[],"title":"signal: avoid shared siginfo namespace rewrites","description":"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.","state":0,"publishedAt":"2026-09-24T15:21:04.961+00:00","modifiedAt":"2026-10-19T09:07:33.885+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/signal.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7a0cf094944e2540758b7f957eb6846d5126f535\",\n                            \"lessThan\": \"e015d1ac6b43a23c52c5163299414ae77d7d4ae0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7a0cf094944e2540758b7f957eb6846d5126f535\",\n                            \"lessThan\": \"4ee7c4e4719a825052f42f02ec159b5b42b68fbc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7a0cf094944e2540758b7f957eb6846d5126f535\",\n                            \"lessThan\": \"148b0dae2a1755beb873a2aab51fb191414f068c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7a0cf094944e2540758b7f957eb6846d5126f535\",\n                            \"lessThan\": \"6b1de022304ef85284c5933a5fb8492f6f54efc9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7a0cf094944e2540758b7f957eb6846d5126f535\",\n                            \"lessThan\": \"03c8761e75d1619906bb503686f9cc1dfc6a67f4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7a0cf094944e2540758b7f957eb6846d5126f535\",\n                            \"lessThan\": \"a246da20c8e4ae4319511c698b9f26ad0ad1769f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7a0cf094944e2540758b7f957eb6846d5126f535\",\n                            \"lessThan\": \"b655c2040ce836afad5643842543567b31f8c11d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7a0cf094944e2540758b7f957eb6846d5126f535\",\n                            \"lessThan\": \"d19cdc167e696714509e87d3f7ae765b6e164589\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e897dd22800f02bd48aefb1511fff0b2ce96e94c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2f0e9eed11ca778d0ec5507a739c28472fd4ca20\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5.1.20\",\n                            \"lessThan\": \"5.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.2.3\",\n                            \"lessThan\": \"5.3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/signal.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.3\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.3\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.109\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.50\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.4\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/e015d1ac6b43a23c52c5163299414ae77d7d4ae0","https://git.kernel.org/stable/c/4ee7c4e4719a825052f42f02ec159b5b42b68fbc","https://git.kernel.org/stable/c/148b0dae2a1755beb873a2aab51fb191414f068c","https://git.kernel.org/stable/c/6b1de022304ef85284c5933a5fb8492f6f54efc9","https://git.kernel.org/stable/c/03c8761e75d1619906bb503686f9cc1dfc6a67f4","https://git.kernel.org/stable/c/a246da20c8e4ae4319511c698b9f26ad0ad1769f","https://git.kernel.org/stable/c/b655c2040ce836afad5643842543567b31f8c11d","https://git.kernel.org/stable/c/d19cdc167e696714509e87d3f7ae765b6e164589"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93222","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93222","identifiers":["CVE-2026-93222"]},"retained":false,"historicalAffected":[]}],"coverage":[]}