{"id":"CVE-2026-89439","revision":null,"records":[{"revision":"6fd6594a548d4715b5b7c1fb410d1ef6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89439","aliases":[],"title":"platform/x86: ISST: Add a NULL check for sst_inst[]","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: ISST: Add a NULL check for sst_inst[]\n\nTo be consistent with other places, add a NULL check for failed socket\nloading by checking isst_common.sst_inst[].","state":0,"publishedAt":"2026-09-11T19:43:08.745+00:00","modifiedAt":"2026-10-21T12:47:27.422+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                        \"drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"d805456c712f93ba8a012430f2a93bec133b6ff4\",\n                            \"lessThan\": \"f7c9370dd1d3cedb80c635528271cab1d0bcb103\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d805456c712f93ba8a012430f2a93bec133b6ff4\",\n                            \"lessThan\": \"49a95fe1f64f41c2e8959e525aefdb10f23b293e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d805456c712f93ba8a012430f2a93bec133b6ff4\",\n                            \"lessThan\": \"c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d805456c712f93ba8a012430f2a93bec133b6ff4\",\n                            \"lessThan\": \"ef7975af15126dd70ace519da7bb33f2848b9064\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d805456c712f93ba8a012430f2a93bec133b6ff4\",\n                            \"lessThan\": \"3de2776e9d7073765c10c2326c2bda5926811ea6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\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                        \"drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.4\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.4\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\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/f7c9370dd1d3cedb80c635528271cab1d0bcb103","https://git.kernel.org/stable/c/49a95fe1f64f41c2e8959e525aefdb10f23b293e","https://git.kernel.org/stable/c/c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa","https://git.kernel.org/stable/c/ef7975af15126dd70ace519da7bb33f2848b9064","https://git.kernel.org/stable/c/3de2776e9d7073765c10c2326c2bda5926811ea6"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89439","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89439","identifiers":["CVE-2026-89439"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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