{"id":"CVE-2026-81018","summary":"platform/x86: think-lmi: Free system certificate signatures","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: think-lmi: Free system certificate signatures\n\nMulti-certificate support also allows the system authentication object\nto store -\u003esignature and -\u003esave_signature, which leak when the driver is\nremoved. Free the signatures to avoid leaking memory.","modified":"2026-09-13T03:47:17.408806497Z","published":"2026-09-11T19:43:06.080Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81018.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/9c28adde051fe76a7754856d0a414ab89adcaa4d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/abbcc0354108cf47a6055b951182bf73520d0363"},{"type":"WEB","url":"https://git.kernel.org/stable/c/abca989604f60fe29d7170431f819e28ec7d868a"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81018.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81018"},{"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":"5dcb5ef125907d09806509a9db8c6705041e0026"},{"fixed":"9c28adde051fe76a7754856d0a414ab89adcaa4d"},{"fixed":"abbcc0354108cf47a6055b951182bf73520d0363"},{"fixed":"abca989604f60fe29d7170431f819e28ec7d868a"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-81018.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"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-2026-81018.json"}}],"schema_version":"1.9.0"}