Security Advisory

CVE-2025-40253

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2025-12-04 16:08:15
Last updated 2026-05-23 16:01:48
Assigner Linux
CVSS score not scored
State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: s390/ctcm: Fix double-kfree The function 'mpc_rcvd_sweep_req(mpcginfo)' is called conditionally from function 'ctcmpc_unpack_skb'. It frees passed mpcginfo. After that a call to function 'kfree' in function 'ctcmpc_unpack_skb' frees it again. Remove 'kfree' call in function 'mpc_rcvd_sweep_req(mpcginfo)'. Bug detected by the clang static analyzer.