{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50775","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-24T13:02:21.547Z","datePublished":"2025-12-24T13:06:05.074Z","dateUpdated":"2026-05-11T19:25:18.333Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:25:18.333Z"},"descriptions":[{"lang":"en","value":"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 <xuhaoyue1@hisilicon.com>"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/hns/hns_roce_main.c"],"versions":[{"version":"0045e0d3f42ed7d05434bb5bc16acfc793ea4891","lessThan":"fa87cf2e756efe809ee8683d4f282f4de962dab6","status":"affected","versionType":"git"},{"version":"0045e0d3f42ed7d05434bb5bc16acfc793ea4891","lessThan":"8abd2ff2256a2a99c11c7ecdcb5512429933620f","status":"affected","versionType":"git"},{"version":"0045e0d3f42ed7d05434bb5bc16acfc793ea4891","lessThan":"cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/hns/hns_roce_main.c"],"versions":[{"version":"5.17","status":"affected"},{"version":"0","lessThan":"5.17","status":"unaffected","versionType":"semver"},{"version":"6.1.16","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2.3","lessThanOrEqual":"6.2.*","status":"unaffected","versionType":"semver"},{"version":"6.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/fa87cf2e756efe809ee8683d4f282f4de962dab6"},{"url":"https://git.kernel.org/stable/c/8abd2ff2256a2a99c11c7ecdcb5512429933620f"},{"url":"https://git.kernel.org/stable/c/cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30"}],"title":"RDMA/hns: Fix refcount leak in hns_roce_mmap","x_generator":{"engine":"bippy-1.2.0"}}}}