{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-56694",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: fix recursive lock when verdict program return SK_PASS\n\nWhen the stream_verdict program returns SK_PASS, it places the received skb\ninto its own receive queue, but a recursive lock eventually occurs, leading\nto an operating system deadlock. This issue has been present since v6.9.\n\n'''\nsk_psock_strp_data_ready\n    write_lock_bh(&sk->sk_callback_lock)\n    strp_data_ready\n      strp_read_sock\n        read_sock -> tcp_read_sock\n          strp_recv\n            cb.rcv_msg -> sk_psock_strp_read\n              # now stream_verdict return SK_PASS without peer sock assign\n              __SK_PASS = sk_psock_map_verd(SK_PASS, NULL)\n              sk_psock_verdict_apply\n                sk_psock_skb_ingress_self\n                  sk_psock_skb_ingress_enqueue\n                    sk_psock_data_ready\n                      read_lock_bh(&sk->sk_callback_lock) <= dead lock\n\n'''\n\nThis topic has been discussed before, but it has not been fixed.\nPrevious discussion:\nhttps://lore.kernel.org/all/6684a5864ec86_403d20898@john.notmuch"
            }
        ]
    },
    "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": "6648e613226e18897231ab5e42ffc29e63fa3365",
                                            "version_value": "078f7e1521442a55db4bed812a2fbaf02ac33819"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "c0809c128dad4c3413818384eb06a341633db973",
                                            "version_value": "221109ba2127eabd0aa64718543638b58b15df56"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "5965bc7535fb87510b724e5465ccc1a1cf00916d",
                                            "version_value": "6694f7acd625ed854bf6342926e771d65dad7f69"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "39dc9e1442385d6e9be0b6491ee488dddd55ae27",
                                            "version_value": "386efa339e08563dd33e83bc951aea5d407fe578"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "b397a0ab8582c533ec0c6b732392f141fc364f87",
                                            "version_value": "da2bc8a0c8f3ac66fdf980fc59936f851a083561"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "6.9",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "6.9",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.4.289",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.10.233",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.15.174",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.1.120",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.6.64",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.11.11",
                                                        "lessThanOrEqual": "6.11.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.12.2",
                                                        "lessThanOrEqual": "6.12.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.13-rc1",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
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                "url": "https://git.kernel.org/stable/c/078f7e1521442a55db4bed812a2fbaf02ac33819",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/078f7e1521442a55db4bed812a2fbaf02ac33819"
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                "name": "https://git.kernel.org/stable/c/01f1b88acfd79103da0610b45471f6c88ea98d72"
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                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/f84c5ef6ca23cc2f72f3b830d74f67944684bb05"
            },
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                "refsource": "MISC",
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