{"id":"CVE-2025-39777","summary":"crypto: acomp - Fix CFI failure due to type punning","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: acomp - Fix CFI failure due to type punning\n\nTo avoid a crash when control flow integrity is enabled, make the\nworkspace (\"stream\") free function use a consistent type, and call it\nthrough a function pointer that has that same type.","modified":"2026-04-02T12:48:08.773120Z","published":"2025-09-11T16:56:29.638Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39777.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/7ec68c59461ca846aab9b7c2b39f63ac7c8a43cf"},{"type":"WEB","url":"https://git.kernel.org/stable/c/962ddc5a7a4b04c007bba0f3e7298cda13c62efd"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39777.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-39777"},{"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":"42d9f6c774790d290c175e8775ce9f1366438098"},{"fixed":"7ec68c59461ca846aab9b7c2b39f63ac7c8a43cf"},{"fixed":"962ddc5a7a4b04c007bba0f3e7298cda13c62efd"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39777.json"}}],"schema_version":"1.7.5"}