CVE-2022-50775

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux0045e0d3f42ed7d05434bb5bc16acfc793ea4891 < fa87cf2e756efe809ee8683d4f282f4de962dab6affected
LinuxLinux0045e0d3f42ed7d05434bb5bc16acfc793ea4891 < 8abd2ff2256a2a99c11c7ecdcb5512429933620faffected
LinuxLinux0045e0d3f42ed7d05434bb5bc16acfc793ea4891 < cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30affected
LinuxLinux5.17affected
LinuxLinux0 < 5.17unaffected
LinuxLinux6.1.16 <= 6.1.*unaffected
LinuxLinux6.2.3 <= 6.2.*unaffected
LinuxLinux6.3 <= *unaffected

Weaknesses

References