{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49877",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-01T14:05:17.238Z",
        "datePublished": "2025-05-01T14:10:25.682Z",
        "dateUpdated": "2026-05-23T15:23:07.753Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:23:07.753Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Fix the sk->sk_forward_alloc warning of sk_stream_kill_queues\n\nWhen running `test_sockmap` selftests, the following warning appears:\n\n  WARNING: CPU: 2 PID: 197 at net/core/stream.c:205 sk_stream_kill_queues+0xd3/0xf0\n  Call Trace:\n  <TASK>\n  inet_csk_destroy_sock+0x55/0x110\n  tcp_rcv_state_process+0xd28/0x1380\n  ? tcp_v4_do_rcv+0x77/0x2c0\n  tcp_v4_do_rcv+0x77/0x2c0\n  __release_sock+0x106/0x130\n  __tcp_close+0x1a7/0x4e0\n  tcp_close+0x20/0x70\n  inet_release+0x3c/0x80\n  __sock_release+0x3a/0xb0\n  sock_close+0x14/0x20\n  __fput+0xa3/0x260\n  task_work_run+0x59/0xb0\n  exit_to_user_mode_prepare+0x1b3/0x1c0\n  syscall_exit_to_user_mode+0x19/0x50\n  do_syscall_64+0x48/0x90\n  entry_SYSCALL_64_after_hwframe+0x44/0xae\n\nThe root case is in commit 84472b436e76 (\"bpf, sockmap: Fix more uncharged\nwhile msg has more_data\"), where I used msg->sg.size to replace the tosend,\ncausing breakage:\n\n  if (msg->apply_bytes && msg->apply_bytes < tosend)\n    tosend = psock->apply_bytes;"
                }
            ],
            "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": "244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf",
                            "lessThan": "d975bec1eaeb52341acc9273db79ddb078220399",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7b812a369e6416ab06d83cdd39d8e3f752781dd0",
                            "lessThan": "cc21dc48a78cc9e5af9a4d039cd456446a6e73ff",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "168ff181f5b6e7fce684c98a30d35da1dbf8f82a",
                            "lessThan": "95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "84472b436e760ba439e1969a9e3c5ae7c86de39d",
                            "lessThan": "14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "84472b436e760ba439e1969a9e3c5ae7c86de39d",
                            "lessThan": "8ec95b94716a1e4d126edc3fb2bc426a717e2dba",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "87d532d41ef937e16f61b3d2094f3a2ac49be365",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "abb4caa477a5450817d2aa1198edce66450aecf8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.4.189",
                            "lessThan": "5.4.225",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.110",
                            "lessThan": "5.10.155",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.33",
                            "lessThan": "5.15.79",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.16.19",
                            "lessThan": "5.17",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.2",
                            "lessThan": "5.18",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "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": "5.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.225",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.155",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.79",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.9",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "5.4.189",
                                    "versionEndExcluding": "5.4.225"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10.110",
                                    "versionEndExcluding": "5.10.155"
                                },
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                                    "versionEndExcluding": "6.0.9"
                                },
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.1"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.17.2"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/d975bec1eaeb52341acc9273db79ddb078220399"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cc21dc48a78cc9e5af9a4d039cd456446a6e73ff"
                },
                {
                    "url": "https://git.kernel.org/stable/c/95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8ec95b94716a1e4d126edc3fb2bc426a717e2dba"
                }
            ],
            "title": "bpf, sockmap: Fix the sk->sk_forward_alloc warning of sk_stream_kill_queues",
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                "engine": "bippy-1.2.0"
            }
        }
    }
}