CVE-2026-68156

The CVE concerns the Linux kernel’s libceph integration. The issue arises in ceph_x_update_authorizer(): when a newer service ticket triggers a rebuild of the authorizer, the code may allocate a new buffer but fail to refresh the cached pointers in auth->authorizer_buf and auth->authorizer_...

EUVD-2026-55542

In the Linux kernel, the following vulnerability has been resolved: libceph: refresh auth-authorizerbuf,len after authorizer update cephxcreateauthorizer caches au-buf-vec.iovbase and au-buf-vec.iovlen in struct cephauthhandshake. These cached values are then used by the messenger connect code wh...