{"api_version":"1","generated_at":"2026-11-15T00:22:19+00:00","cve":"CVE-2022-49204","urls":{"html":"https://cve.report/CVE-2022-49204","api":"https://cve.report/api/cve/CVE-2022-49204.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-49204","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-49204"},"summary":{"title":"bpf, sockmap: Fix more uncharged while msg has more_data","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Fix more uncharged while msg has more_data\n\nIn tcp_bpf_send_verdict(), if msg has more data after\ntcp_bpf_sendmsg_redir():\n\ntcp_bpf_send_verdict()\n tosend = msg->sg.size  //msg->sg.size = 22220\n case __SK_REDIRECT:\n  sk_msg_return()  //uncharged msg->sg.size(22220) sk->sk_forward_alloc\n  tcp_bpf_sendmsg_redir() //after tcp_bpf_sendmsg_redir, msg->sg.size=11000\n goto more_data;\n tosend = msg->sg.size  //msg->sg.size = 11000\n case __SK_REDIRECT:\n  sk_msg_return()  //uncharged msg->sg.size(11000) to sk->sk_forward_alloc\n\nThe msg->sg.size(11000) has been uncharged twice, to fix we can charge the\nremaining msg->sg.size before goto more data.\n\nThis issue can cause the following info:\nWARNING: CPU: 0 PID: 9860 at net/core/stream.c:208 sk_stream_kill_queues+0xd4/0x1a0\nCall Trace:\n <TASK>\n inet_csk_destroy_sock+0x55/0x110\n __tcp_close+0x279/0x470\n tcp_close+0x1f/0x60\n inet_release+0x3f/0x80\n __sock_release+0x3d/0xb0\n sock_close+0x11/0x20\n __fput+0x92/0x250\n task_work_run+0x6a/0xa0\n do_exit+0x33b/0xb60\n do_group_exit+0x2f/0xa0\n get_signal+0xb6/0x950\n arch_do_signal_or_restart+0xac/0x2a0\n ? vfs_write+0x237/0x290\n exit_to_user_mode_prepare+0xa9/0x200\n syscall_exit_to_user_mode+0x12/0x30\n do_syscall_64+0x46/0x80\n entry_SYSCALL_64_after_hwframe+0x44/0xae\n </TASK>\n\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>","state":"PUBLISHED","assigner":"Linux","published_at":"2025-02-26 07:00:57","updated_at":"2026-11-05 20:17:02"},"problem_types":["NVD-CWE-noinfo"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/84472b436e760ba439e1969a9e3c5ae7c86de39d","name":"https://git.kernel.org/stable/c/84472b436e760ba439e1969a9e3c5ae7c86de39d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf","name":"https://git.kernel.org/stable/c/244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/87d532d41ef937e16f61b3d2094f3a2ac49be365","name":"https://git.kernel.org/stable/c/87d532d41ef937e16f61b3d2094f3a2ac49be365","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7b812a369e6416ab06d83cdd39d8e3f752781dd0","name":"https://git.kernel.org/stable/c/7b812a369e6416ab06d83cdd39d8e3f752781dd0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/abb4caa477a5450817d2aa1198edce66450aecf8","name":"https://git.kernel.org/stable/c/abb4caa477a5450817d2aa1198edce66450aecf8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/168ff181f5b6e7fce684c98a30d35da1dbf8f82a","name":"https://git.kernel.org/stable/c/168ff181f5b6e7fce684c98a30d35da1dbf8f82a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-49204","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49204","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 604326b41a6fb9b4a78b6179335decee0365cd8c 244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 604326b41a6fb9b4a78b6179335decee0365cd8c 7b812a369e6416ab06d83cdd39d8e3f752781dd0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 604326b41a6fb9b4a78b6179335decee0365cd8c 168ff181f5b6e7fce684c98a30d35da1dbf8f82a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 604326b41a6fb9b4a78b6179335decee0365cd8c 87d532d41ef937e16f61b3d2094f3a2ac49be365 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 604326b41a6fb9b4a78b6179335decee0365cd8c abb4caa477a5450817d2aa1198edce66450aecf8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 604326b41a6fb9b4a78b6179335decee0365cd8c 84472b436e760ba439e1969a9e3c5ae7c86de39d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.20","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.20 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.4.189 5.4.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.110 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.33 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.16.19 5.16.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.17.2 5.17.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.18 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"49204","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2022-49204","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-11-05T19:44:31.554624Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-11-05T19:49:37.271Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv4/tcp_bpf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf","status":"affected","version":"604326b41a6fb9b4a78b6179335decee0365cd8c","versionType":"git"},{"lessThan":"7b812a369e6416ab06d83cdd39d8e3f752781dd0","status":"affected","version":"604326b41a6fb9b4a78b6179335decee0365cd8c","versionType":"git"},{"lessThan":"168ff181f5b6e7fce684c98a30d35da1dbf8f82a","status":"affected","version":"604326b41a6fb9b4a78b6179335decee0365cd8c","versionType":"git"},{"lessThan":"87d532d41ef937e16f61b3d2094f3a2ac49be365","status":"affected","version":"604326b41a6fb9b4a78b6179335decee0365cd8c","versionType":"git"},{"lessThan":"abb4caa477a5450817d2aa1198edce66450aecf8","status":"affected","version":"604326b41a6fb9b4a78b6179335decee0365cd8c","versionType":"git"},{"lessThan":"84472b436e760ba439e1969a9e3c5ae7c86de39d","status":"affected","version":"604326b41a6fb9b4a78b6179335decee0365cd8c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv4/tcp_bpf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.20"},{"lessThan":"4.20","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.189","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.110","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.33","versionType":"semver"},{"lessThanOrEqual":"5.16.*","status":"unaffected","version":"5.16.19","versionType":"semver"},{"lessThanOrEqual":"5.17.*","status":"unaffected","version":"5.17.2","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"5.18","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.189","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.110","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.33","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.16.19","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.17.2","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.18","versionStartIncluding":"4.20","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Fix more uncharged while msg has more_data\n\nIn tcp_bpf_send_verdict(), if msg has more data after\ntcp_bpf_sendmsg_redir():\n\ntcp_bpf_send_verdict()\n tosend = msg->sg.size  //msg->sg.size = 22220\n case __SK_REDIRECT:\n  sk_msg_return()  //uncharged msg->sg.size(22220) sk->sk_forward_alloc\n  tcp_bpf_sendmsg_redir() //after tcp_bpf_sendmsg_redir, msg->sg.size=11000\n goto more_data;\n tosend = msg->sg.size  //msg->sg.size = 11000\n case __SK_REDIRECT:\n  sk_msg_return()  //uncharged msg->sg.size(11000) to sk->sk_forward_alloc\n\nThe msg->sg.size(11000) has been uncharged twice, to fix we can charge the\nremaining msg->sg.size before goto more data.\n\nThis issue can cause the following info:\nWARNING: CPU: 0 PID: 9860 at net/core/stream.c:208 sk_stream_kill_queues+0xd4/0x1a0\nCall Trace:\n <TASK>\n inet_csk_destroy_sock+0x55/0x110\n __tcp_close+0x279/0x470\n tcp_close+0x1f/0x60\n inet_release+0x3f/0x80\n __sock_release+0x3d/0xb0\n sock_close+0x11/0x20\n __fput+0x92/0x250\n task_work_run+0x6a/0xa0\n do_exit+0x33b/0xb60\n do_group_exit+0x2f/0xa0\n get_signal+0xb6/0x950\n arch_do_signal_or_restart+0xac/0x2a0\n ? vfs_write+0x237/0x290\n exit_to_user_mode_prepare+0xa9/0x200\n syscall_exit_to_user_mode+0x12/0x30\n do_syscall_64+0x46/0x80\n entry_SYSCALL_64_after_hwframe+0x44/0xae\n </TASK>\n\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>"}],"providerMetadata":{"dateUpdated":"2026-05-11T18:55:09.627Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf"},{"url":"https://git.kernel.org/stable/c/7b812a369e6416ab06d83cdd39d8e3f752781dd0"},{"url":"https://git.kernel.org/stable/c/168ff181f5b6e7fce684c98a30d35da1dbf8f82a"},{"url":"https://git.kernel.org/stable/c/87d532d41ef937e16f61b3d2094f3a2ac49be365"},{"url":"https://git.kernel.org/stable/c/abb4caa477a5450817d2aa1198edce66450aecf8"},{"url":"https://git.kernel.org/stable/c/84472b436e760ba439e1969a9e3c5ae7c86de39d"}],"title":"bpf, sockmap: Fix more uncharged while msg has more_data","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2022-49204","datePublished":"2025-02-26T01:55:44.678Z","dateReserved":"2025-02-26T01:49:39.291Z","dateUpdated":"2026-11-05T19:49:37.271Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-02-26 07:00:57","lastModifiedDate":"2026-11-05 20:17:02","problem_types":["NVD-CWE-noinfo"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-11-05T19:44:31.554624Z","id":"CVE-2022-49204","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.189","matchCriteriaId":"8CB6E8F5-C2B1-46F3-A807-0F6104AC340F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.110","matchCriteriaId":"91D3BFD0-D3F3-4018-957C-96CCBF357D79"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.33","matchCriteriaId":"27C42AE8-B387-43E2-938A-E1C8B40BE6D5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.16.19","matchCriteriaId":"20C43679-0439-405A-B97F-685BEE50613B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"5.17.2","matchCriteriaId":"210C679C-CF84-44A3-8939-E629C87E54BF"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2022","CveId":"49204","Ordinal":"1","Title":"bpf, sockmap: Fix more uncharged while msg has more_data","CVE":"CVE-2022-49204","Year":"2022"},"notes":[{"CveYear":"2022","CveId":"49204","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Fix more uncharged while msg has more_data\n\nIn tcp_bpf_send_verdict(), if msg has more data after\ntcp_bpf_sendmsg_redir():\n\ntcp_bpf_send_verdict()\n tosend = msg->sg.size  //msg->sg.size = 22220\n case __SK_REDIRECT:\n  sk_msg_return()  //uncharged msg->sg.size(22220) sk->sk_forward_alloc\n  tcp_bpf_sendmsg_redir() //after tcp_bpf_sendmsg_redir, msg->sg.size=11000\n goto more_data;\n tosend = msg->sg.size  //msg->sg.size = 11000\n case __SK_REDIRECT:\n  sk_msg_return()  //uncharged msg->sg.size(11000) to sk->sk_forward_alloc\n\nThe msg->sg.size(11000) has been uncharged twice, to fix we can charge the\nremaining msg->sg.size before goto more data.\n\nThis issue can cause the following info:\nWARNING: CPU: 0 PID: 9860 at net/core/stream.c:208 sk_stream_kill_queues+0xd4/0x1a0\nCall Trace:\n <TASK>\n inet_csk_destroy_sock+0x55/0x110\n __tcp_close+0x279/0x470\n tcp_close+0x1f/0x60\n inet_release+0x3f/0x80\n __sock_release+0x3d/0xb0\n sock_close+0x11/0x20\n __fput+0x92/0x250\n task_work_run+0x6a/0xa0\n do_exit+0x33b/0xb60\n do_group_exit+0x2f/0xa0\n get_signal+0xb6/0x950\n arch_do_signal_or_restart+0xac/0x2a0\n ? vfs_write+0x237/0x290\n exit_to_user_mode_prepare+0xa9/0x200\n syscall_exit_to_user_mode+0x12/0x30\n do_syscall_64+0x46/0x80\n entry_SYSCALL_64_after_hwframe+0x44/0xae\n </TASK>\n\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>","Type":"Description","Title":"bpf, sockmap: Fix more uncharged while msg has more_data"}]}}}