UNKNOWN NVD
CVE-2026-80625
In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix memory leak of bonding resources In a corner case of concurrent driver remov
In the Linux kernel, the following vulnerability has been resolved:
RDMA/hns: Fix memory leak of bonding resources
In a corner case of concurrent driver removal and driver reset,
bonding resource is first released in hns_roce_hw_v2_exit() during
driver removal, and then is allocated again in hns_roce_register_device()
during driver reset. This leads to memory leak because the release
timing has already passed. This may also lead to a kernel panic
as below because of the leaked notifier callback:
Call trace:
0xffffa20fccc04978 (P)
raw_notifier_call_chain+0x20/0x38
call_netdevice_notifiers_info+0x60/0xb8
netdev_lower_state_changed+0x4c/0xb8
As Sashiko suggested, the teardown order of bonding resources should
be inverted to make sure the resources are released when the driver
is removed.
References
- https://git.kernel.org/stable/c/bc4caea7a82bbcf94a34eff7094e7f9b501680ab
- https://git.kernel.org/stable/c/c0bd03b850d81a8914168d87ddf7f6ffa58875ef
This unknown severity vulnerability was published on 2026-08-28 via NVD.
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