{"id":"CVE-2022-50775","summary":"RDMA/hns: Fix refcount leak in hns_roce_mmap","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix refcount leak in hns_roce_mmap\n\nrdma_user_mmap_entry_get_pgoff() takes the reference.\nAdd missing rdma_user_mmap_entry_put() to release the reference.\n\nAcked-by Haoyue Xu \u003cxuhaoyue1@hisilicon.com\u003e","modified":"2026-08-12T03:51:09.830449998Z","published":"2025-12-24T13:06:05.074Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50775.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/8abd2ff2256a2a99c11c7ecdcb5512429933620f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fa87cf2e756efe809ee8683d4f282f4de962dab6"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50775.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50775"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0045e0d3f42ed7d05434bb5bc16acfc793ea4891"},{"fixed":"fa87cf2e756efe809ee8683d4f282f4de962dab6"},{"fixed":"8abd2ff2256a2a99c11c7ecdcb5512429933620f"},{"fixed":"cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50775.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.17.0"},{"fixed":"6.1.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.2.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50775.json"}}],"schema_version":"1.9.0"}