CVE-2022-50775

RDMA/hns: Fix refcount leak in hns_roce_mmap

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix refcount leak in hns_roce_mmap rdma_user_mmap_entry_get_pgoff() takes the reference. Add missing rdma_user_mmap_entry_put() to release the reference. Acked-by Haoyue Xu <xuhaoyue1@hisilicon.com>

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/8abd2ff2256a2a99c11c7ecdcb5512429933620f https://git.kernel.org/stable/c/cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30 https://git.kernel.org/stable/c/fa87cf2e756efe809ee8683d4f282f4de962dab6