CVE-2026-89651 ceph: bound MDSCapAuth path and fs_name decode in handle_session()

In the Linux kernel, the following vulnerability has been resolved: ceph: bound MDSCapAuth path and fsname decode in handlesession handlesession decodes the MDSCapAuth records carried by a CEPHSESSIONOPEN message msgversion = 6. For each record the match.path and match.fsname byte strings are rea...