{"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"}}}}

{}

{"cveTags": [], "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>"}], "id": "CVE-2022-50775", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-12-24T13:16:04.337", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8abd2ff2256a2a99c11c7ecdcb5512429933620f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fa87cf2e756efe809ee8683d4f282f4de962dab6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: RDMA/hns: Fix refcount leak in hns_roce_mmap", "id": "2425139", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2425139"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2022-50775", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50775\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50775\nhttps://lore.kernel.org/linux-cve-announce/2025122459-CVE-2022-50775-6733@gregkh/T"]}

{}