{"dataType":"CVE_RECORD","dataVersion":"5.1","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":"2025-05-04T08:32:17.906Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:32:17.906Z"},"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>"}],"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"}}}}