{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89439","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.703Z","datePublished":"2026-09-11T19:43:08.745Z","dateUpdated":"2026-09-11T19:43:08.745Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-11T19:43:08.745Z"},"descriptions":[{"lang":"en","value":"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[]."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c"],"versions":[{"version":"d805456c712f93ba8a012430f2a93bec133b6ff4","lessThan":"49a95fe1f64f41c2e8959e525aefdb10f23b293e","status":"affected","versionType":"git"},{"version":"d805456c712f93ba8a012430f2a93bec133b6ff4","lessThan":"c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa","status":"affected","versionType":"git"},{"version":"d805456c712f93ba8a012430f2a93bec133b6ff4","lessThan":"ef7975af15126dd70ace519da7bb33f2848b9064","status":"affected","versionType":"git"},{"version":"d805456c712f93ba8a012430f2a93bec133b6ff4","lessThan":"3de2776e9d7073765c10c2326c2bda5926811ea6","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c"],"versions":[{"version":"6.4","status":"affected"},{"version":"0","lessThan":"6.4","status":"unaffected","versionType":"semver"},{"version":"6.12.109","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.50","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.4","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.12.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/49a95fe1f64f41c2e8959e525aefdb10f23b293e"},{"url":"https://git.kernel.org/stable/c/c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa"},{"url":"https://git.kernel.org/stable/c/ef7975af15126dd70ace519da7bb33f2848b9064"},{"url":"https://git.kernel.org/stable/c/3de2776e9d7073765c10c2326c2bda5926811ea6"}],"title":"platform/x86: ISST: Add a NULL check for sst_inst[]","x_generator":{"engine":"bippy-1.2.0"}}}}