CVE-2026-52957 libceph: Fix potential null-ptr-deref in decode_choose_args()

In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential null-ptr-deref in decodechooseargs A message of type CEPHMSGOSDMAP contains an OSD map that itself contains a CRUSH map. When decoding this CRUSH map in crushdecode, an array of maxbuckets CRUSH buckets is...

CVE-2026-22991

In the Linux kernel, the following vulnerability has been resolved: libceph: make freechooseargmap resilient to partial allocation freechooseargmap may dereference a NULL pointer if its caller fails after a partial allocation. For example, in decodechooseargs, if allocation of argmap-args fails,...

CVE-2026-22991 libceph: make free_choose_arg_map() resilient to partial allocation

In the Linux kernel, the following vulnerability has been resolved: libceph: make freechooseargmap resilient to partial allocation freechooseargmap may dereference a NULL pointer if its caller fails after a partial allocation. For example, in decodechooseargs, if allocation of argmap-args fails,...

CVE-2026-22991 libceph: make free_choose_arg_map() resilient to partial allocation

In the Linux kernel, the following vulnerability has been resolved: libceph: make freechooseargmap resilient to partial allocation freechooseargmap may dereference a NULL pointer if its caller fails after a partial allocation. For example, in decodechooseargs, if allocation of argmap-args fails,...