kernel: libceph: fix potential use-after-free in have_mon_and_osd_map()

A use-after-free vulnerability was found in the Ceph client session initialization in the Linux kernel. The havemonandosdmap function checks map epochs without holding the appropriate locks, racing with concurrent map updates that free the old map. This can result in dereferencing freed memory...

kernel: libceph: fix potential use-after-free in have_mon_and_osd_map()

A use-after-free vulnerability was found in the Ceph client session initialization in the Linux kernel. The havemonandosdmap function checks map epochs without holding the appropriate locks, racing with concurrent map updates that free the old map. This can result in dereferencing freed memory...

PT-2025-51689

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.14.0-rc2-build2+ 1266 Description The Linux kernel contains a flaw in libceph related to a potential use-after-free condition within the have mon and osd map function. The issue arises from a race condition in...