CVE-2025-71084

In the Linux kernel, the following vulnerability has been resolved: RDMA/cm: Fix leaking the multicast GID table reference If the CM ID is destroyed while the CM event for multicast creating is still queued the cancel_work_sync() will prevent the work from running which also prevents destroying the ah_attr. This leaks a refcount and triggers a WARN: GID entry ref leak for dev syz1 index 2 ref=573 WARNING: CPU: 1 PID: 655 at drivers/infiniband/core/cache.c:809 release_gid_table drivers/infiniband/core/cache.c:806 [inline] WARNING: CPU: 1 PID: 655 at drivers/infiniband/core/cache.c:809 gid_table_release_one+0x284/0x3cc drivers/infiniband/core/cache.c:886 Destroy the ah_attr after canceling the work, it is safe to call this twice.

The following products are affected by CVE-2025-71084 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-71084.

URL	Resource
https://git.kernel.org/stable/c/3ba6d01c4b3c584264dc733c6a2ecc5bbc8e0bb5
https://git.kernel.org/stable/c/57f3cb6c84159d12ba343574df2115fb18dd83ca
https://git.kernel.org/stable/c/5cb34bb5fd726491b809efbeb5cfd63ae5bf9cf3
https://git.kernel.org/stable/c/ab668a58c4a2ccb6d54add7a76f2f955d15d0196
https://git.kernel.org/stable/c/abf38398724ecc888f62c678d288da40d11878af
https://git.kernel.org/stable/c/c0acdee513239e1d6e1b490f56be0e6837dfd162
https://git.kernel.org/stable/c/d5ce588a9552878859a4d44b70b724216c188a5f
https://lore.kernel.org/linux-cve-announce/2026011339-CVE-2025-71084-52a2@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2025-71084
https://www.cve.org/CVERecord?id=CVE-2025-71084