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{"bugzilla": {"description": "kernel: netfilter: nf_tables: fix memory leak during stateful obj update", "id": "2307189", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2307189"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L", "status": "draft"}, "cwe": "CWE-402", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: nf_tables: fix memory leak during stateful obj update\nstateful objects can be updated from the control plane.\nThe transaction logic allocates a temporary object for this purpose.\nThe ->init function was called for this object, so plain kfree() leaks\nresources. We must call ->destroy function of the object.\nnft_obj_destroy does this, but it also decrements the module refcount,\nbut the update path doesn't increment it.\nTo avoid special-casing the update object release, do module_get for\nthe update case too and release it via nft_obj_destroy()."], "name": "CVE-2022-48933", "package_state": [{"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": "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": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "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": "2024-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-48933\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48933\nhttps://lore.kernel.org/linux-cve-announce/2024082223-CVE-2022-48933-6ebb@gregkh/T"], "threat_severity": "Moderate"}

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