{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2022-48691",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: clean up hook list when offload flags check fails\n\nsplice back the hook list so nft_chain_release_hook() has a chance to\nrelease the hooks.\n\nBUG: memory leak\nunreferenced object 0xffff88810180b100 (size 96):\n  comm \"syz-executor133\", pid 3619, jiffies 4294945714 (age 12.690s)\n  hex dump (first 32 bytes):\n    28 64 23 02 81 88 ff ff 28 64 23 02 81 88 ff ff  (d#.....(d#.....\n    90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff  ................\n  backtrace:\n    [<ffffffff83a8c59b>] kmalloc include/linux/slab.h:600 [inline]\n    [<ffffffff83a8c59b>] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901\n    [<ffffffff83a9239a>] nft_chain_parse_netdev net/netfilter/nf_tables_api.c:1998 [inline]\n    [<ffffffff83a9239a>] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073\n    [<ffffffff83a9b14b>] nf_tables_addchain.constprop.0+0x10b/0x950 net/netfilter/nf_tables_api.c:2218\n    [<ffffffff83a9c41b>] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593\n    [<ffffffff83a3d6a6>] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517\n    [<ffffffff83a3db79>] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:638 [inline]\n    [<ffffffff83a3db79>] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656\n    [<ffffffff83a13b17>] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n    [<ffffffff83a13b17>] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345\n    [<ffffffff83a13fd6>] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921\n    [<ffffffff83865ab6>] sock_sendmsg_nosec net/socket.c:714 [inline]\n    [<ffffffff83865ab6>] sock_sendmsg+0x56/0x80 net/socket.c:734\n    [<ffffffff8386601c>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482\n    [<ffffffff8386a918>] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536\n    [<ffffffff8386aaa8>] __sys_sendmsg+0x88/0x100 net/socket.c:2565\n    [<ffffffff845e5955>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n    [<ffffffff845e5955>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "d54725cd11a5",
                                            "version_value": "910891a2a44c"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.5",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "5.5",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.10.143",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.15.68",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.19.9",
                                                        "lessThanOrEqual": "5.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.0",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/910891a2a44cdc49efcc4fe7459c1085ba00d0f4",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/910891a2a44cdc49efcc4fe7459c1085ba00d0f4"
            },
            {
                "url": "https://git.kernel.org/stable/c/1ce55ec5cb7c573c983dffbe290b8d17caf1f157",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/1ce55ec5cb7c573c983dffbe290b8d17caf1f157"
            },
            {
                "url": "https://git.kernel.org/stable/c/94ed8eeb8d9aeb00e4f4e19b83a2e28b6442fbc5",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/94ed8eeb8d9aeb00e4f4e19b83a2e28b6442fbc5"
            },
            {
                "url": "https://git.kernel.org/stable/c/77972a36ecc4db7fc7c68f0e80714263c5f03f65",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/77972a36ecc4db7fc7c68f0e80714263c5f03f65"
            }
        ]
    },
    "generator": {
        "engine": "bippy-a5840b7849dd"
    }
}