The vulnerability of the ceph_monmap_decode() function in the net/ceph/mon_client.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the cephmonmapdecode function in the net/ceph/monclient.c module, which implements networking functions for the Linux operating system’s kernel, is related to integer overflow or cyclic shift vulnerabilities. Exploiting this vulnerability could allow a remote attacker to caus...

CVE-2026-68155

In the Linux kernel, the following vulnerability has been resolved: libceph: Reject monmaps advertising zero monitors A message of type CEPHMSGMONMAP contains a monmap that is sent from a monitor to the client. This monmap contains information about the existing monitors in the cluster. Currently...

CVE-2026-43405

A flaw was found in the libceph component of the Linux kernel. This vulnerability occurs in the cephmonmapdecode function due to incorrect handling of non-negative values, where int variables are used instead of u32 for bloblen and nummon. An attacker could exploit this by sending a specially...

CVE-2026-43405 libceph: Use u32 for non-negative values in ceph_monmap_decode()

In the Linux kernel, the following vulnerability has been resolved: libceph: Use u32 for non-negative values in cephmonmapdecode This patch fixes unnecessary implicit conversions that change signedness of bloblen and nummon in cephmonmapdecode. Currently bloblen and nummon are signed int variable...