{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49205",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T01:49:39.291Z",
        "datePublished": "2025-02-26T01:55:45.177Z",
        "dateUpdated": "2026-05-11T18:55:10.763Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T18:55:10.763Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Fix double uncharge the mem of sk_msg\n\nIf tcp_bpf_sendmsg is running during a tear down operation, psock may be\nfreed.\n\ntcp_bpf_sendmsg()\n tcp_bpf_send_verdict()\n  sk_msg_return()\n  tcp_bpf_sendmsg_redir()\n   unlikely(!psock))\n     sk_msg_free()\n\nThe mem of msg has been uncharged in tcp_bpf_send_verdict() by\nsk_msg_return(), and would be uncharged by sk_msg_free() again. When psock\nis null, we can simply returning an error code, this would then trigger\nthe sk_msg_free_nocharge in the error path of __SK_REDIRECT and would have\nthe side effect of throwing an error up to user space. This would be a\nslight change in behavior from user side but would look the same as an\nerror if the redirect on the socket threw an error.\n\nThis issue can cause the following info:\nWARNING: CPU: 0 PID: 2136 at net/ipv4/af_inet.c:155 inet_sock_destruct+0x13c/0x260\nCall Trace:\n <TASK>\n __sk_destruct+0x24/0x1f0\n sk_psock_destroy+0x19b/0x1c0\n process_one_work+0x1b3/0x3c0\n worker_thread+0x30/0x350\n ? process_one_work+0x3c0/0x3c0\n kthread+0xe6/0x110\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x22/0x30\n </TASK>"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv4/tcp_bpf.c"
                    ],
                    "versions": [
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "94c6ac22abcdede72bfaa0f4c22fb370891f4002",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "cd84ea3920aef936c559b63099ef0013ce6b2325",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "cb6f141ae705af0101e819065a79e6d029f6e393",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "223f3c51ab163852dd4819d357dcf33039929434",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "ac3ecb7760c750c8e4fc09c719241d8e6e88028c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "2486ab434b2c2a14e9237296db00b1e1b7ae3273",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv4/tcp_bpf.c"
                    ],
                    "versions": [
                        {
                            "version": "4.20",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.20",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.189",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.110",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.33",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.16.19",
                            "lessThanOrEqual": "5.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.2",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "5.4.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "5.10.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "5.15.33"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "5.16.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "5.17.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "5.18"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/94c6ac22abcdede72bfaa0f4c22fb370891f4002"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cd84ea3920aef936c559b63099ef0013ce6b2325"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cb6f141ae705af0101e819065a79e6d029f6e393"
                },
                {
                    "url": "https://git.kernel.org/stable/c/223f3c51ab163852dd4819d357dcf33039929434"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ac3ecb7760c750c8e4fc09c719241d8e6e88028c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2486ab434b2c2a14e9237296db00b1e1b7ae3273"
                }
            ],
            "title": "bpf, sockmap: Fix double uncharge the mem of sk_msg",
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                "engine": "bippy-1.2.0"
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    }
}