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{"bugzilla": {"description": "kernel: HID: hyperv: fix possible memory leak in mousevsc_probe()", "id": "2363429", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363429"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nHID: hyperv: fix possible memory leak in mousevsc_probe()\nIf hid_add_device() returns error, it should call hid_destroy_device()\nto free hid_dev which is allocated in hid_allocate_device()."], "name": "CVE-2022-49874", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49874\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49874\nhttps://lore.kernel.org/linux-cve-announce/2025050152-CVE-2022-49874-3c3e@gregkh/T"], "statement": "A potential memory leak was fixed in the Hyper-V mouse driver (`mousevsc_probe`). If `hid_add_device()` failed, the allocated HID device structure (`hid_dev`) was not freed, leading to a leak. The patch ensures proper cleanup by calling `hid_destroy_device()` on failure paths.", "threat_severity": "Low"}