{"id":"CVE-2026-89439","summary":"platform/x86: ISST: Add a NULL check for sst_inst[]","details":"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[].","modified":"2026-09-13T03:47:17.995098065Z","published":"2026-09-11T19:43:08.745Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89439.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3de2776e9d7073765c10c2326c2bda5926811ea6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/49a95fe1f64f41c2e8959e525aefdb10f23b293e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ef7975af15126dd70ace519da7bb33f2848b9064"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89439.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89439"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"d805456c712f93ba8a012430f2a93bec133b6ff4"},{"fixed":"49a95fe1f64f41c2e8959e525aefdb10f23b293e"},{"fixed":"c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa"},{"fixed":"ef7975af15126dd70ace519da7bb33f2848b9064"},{"fixed":"3de2776e9d7073765c10c2326c2bda5926811ea6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89439.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.4.0"},{"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"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89439.json"}}],"schema_version":"1.9.0"}