CVE-2026-68160 ceph: fix pre-auth out-of-bounds read on snaptrace in ceph_handle_caps()

In the Linux kernel, the following vulnerability has been resolved: ceph: fix pre-auth out-of-bounds read on snaptrace in cephhandlecaps cephhandlecaps reads snaptracelen from the wire-format cephmdscaps header and uses it unconditionally to build a fake end pointer snaptrace + snaptracelen that ...

The vulnerability of the ceph_handle_caps() function in the fs/ceph/caps.c module of the Linux kernel’s file system support module allows a attacker to cause a service failure.

The vulnerability of the cephhandlecaps function in the fs/ceph/caps.c module of the Linux kernel’s file system support module is related to the lack of encryption measures for sensitive data. Exploiting this vulnerability could allow an attacker to cause a service failure...