{"id":"CVE-2026-64208","summary":"crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks\n\nChange the krb5 crypto library to provide facilities to precheck the length\nof the message about to be decrypted or verified.\n\nFix AF_RXRPC to make use of this to validate DATA packets secured with\nRxGK.","modified":"2026-07-27T04:03:12.892590231Z","published":"2026-07-24T15:23:00.113Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64208.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2b50aceafe6606ea52ed42aadd1b4d44a188aade"},{"type":"WEB","url":"https://git.kernel.org/stable/c/585f9f6aef5c4542ac9d6ec45cd7dbc7df9af3ff"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9217017f4bce53dddb8d547837f1f707045d64ad"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64208.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64208"},{"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":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a"},{"fixed":"585f9f6aef5c4542ac9d6ec45cd7dbc7df9af3ff"},{"fixed":"9217017f4bce53dddb8d547837f1f707045d64ad"},{"fixed":"2b50aceafe6606ea52ed42aadd1b4d44a188aade"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64208.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.16.0"},{"fixed":"6.18.34"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.11"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64208.json"}}],"schema_version":"1.7.5"}