{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49204", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.291Z", "datePublished": "2025-02-26T01:55:44.678Z", "dateUpdated": "2026-05-11T18:55:09.627Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:55:09.627Z" }, "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 \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 \n\nWARNING: CPU: 0 PID: 2136 at net/ipv4/af_inet.c:155 inet_sock_destruct+0x13c/0x260\nCall Trace:\n \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 " } ], "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": "244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf", "status": "affected", "versionType": "git" }, { "version": "604326b41a6fb9b4a78b6179335decee0365cd8c", "lessThan": "7b812a369e6416ab06d83cdd39d8e3f752781dd0", "status": "affected", "versionType": "git" }, { "version": "604326b41a6fb9b4a78b6179335decee0365cd8c", "lessThan": "168ff181f5b6e7fce684c98a30d35da1dbf8f82a", "status": "affected", "versionType": "git" }, { "version": "604326b41a6fb9b4a78b6179335decee0365cd8c", "lessThan": "87d532d41ef937e16f61b3d2094f3a2ac49be365", "status": "affected", "versionType": "git" }, { "version": "604326b41a6fb9b4a78b6179335decee0365cd8c", "lessThan": "abb4caa477a5450817d2aa1198edce66450aecf8", "status": "affected", "versionType": "git" }, { "version": "604326b41a6fb9b4a78b6179335decee0365cd8c", "lessThan": "84472b436e760ba439e1969a9e3c5ae7c86de39d", "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/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" } } } }