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{"bugzilla": {"description": "kernel: platform/x86: lenovo-wmi-helpers: Fix memory leak in lwmi_dev_evaluate_int()", "id": "2502288", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502288"}, "csaw": false, "cwe": "CWE-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nplatform/x86: lenovo-wmi-helpers: Fix memory leak in lwmi_dev_evaluate_int()\nlwmi_dev_evaluate_int() leaks output.pointer when retval == NULL (found\nby sashiko.dev [1]).\nFix it by moving `ret_obj = output.pointer' outside of the `if (retval)'\nblock so that it is always freed by the __free cleanup callback.\nNo functional change intended.", "A flaw was found in the Linux kernel's Lenovo WMI (Windows Management Instrumentation) helpers. The `lwmi_dev_evaluate_int()` function was identified to have a memory leak, where allocated memory was not properly released under certain conditions. This could lead to a gradual consumption of system memory, potentially impacting system stability or performance over extended periods."], "name": "CVE-2026-63839", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-63839\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-63839\nhttps://lore.kernel.org/linux-cve-announce/2026071928-CVE-2026-63839-785e@gregkh/T"]}

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