{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"d975bec1eaeb52341acc9273db79ddb078220399","status":"affected","version":"244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf","versionType":"git"},{"lessThan":"cc21dc48a78cc9e5af9a4d039cd456446a6e73ff","status":"affected","version":"7b812a369e6416ab06d83cdd39d8e3f752781dd0","versionType":"git"},{"lessThan":"95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb","status":"affected","version":"168ff181f5b6e7fce684c98a30d35da1dbf8f82a","versionType":"git"},{"lessThan":"14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7","status":"affected","version":"84472b436e760ba439e1969a9e3c5ae7c86de39d","versionType":"git"},{"lessThan":"8ec95b94716a1e4d126edc3fb2bc426a717e2dba","status":"affected","version":"84472b436e760ba439e1969a9e3c5ae7c86de39d","versionType":"git"},{"status":"affected","version":"87d532d41ef937e16f61b3d2094f3a2ac49be365","versionType":"git"},{"status":"affected","version":"abb4caa477a5450817d2aa1198edce66450aecf8","versionType":"git"},{"lessThan":"5.4.225","status":"affected","version":"5.4.189","versionType":"semver"},{"lessThan":"5.10.155","status":"affected","version":"5.10.110","versionType":"semver"},{"lessThan":"5.15.79","status":"affected","version":"5.15.33","versionType":"semver"},{"lessThan":"5.17","status":"affected","version":"5.16.19","versionType":"semver"},{"lessThan":"5.18","status":"affected","version":"5.17.2","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"5.18"},{"lessThan":"5.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.225","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.155","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.79","versionType":"semver"},{"lessThanOrEqual":"6.0.*","status":"unaffected","version":"6.0.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.1","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2022-49877","cwes":[],"description":"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;","epss":{"date":"2026-11-05","percentile":0.1016,"score":0.00202},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793908810483,"publishedAt":1746108625682,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/d975bec1eaeb52341acc9273db79ddb078220399"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/cc21dc48a78cc9e5af9a4d039cd456446a6e73ff"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/8ec95b94716a1e4d126edc3fb2bc426a717e2dba"}],"remediation":[],"revision":"c7faaccadbac0306714c5531454b84b714c2230cd6f99ae67cc46f56c8dc7c11","sources":[{"modifiedAt":1793908810483,"name":"CNA: Linux","retrievedAt":1793909472231,"url":"https://www.cve.org/CVERecord?id=CVE-2022-49877"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793909484688,"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-49877"}],"ssvc":{"assessedAt":1793908261780,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"bpf, sockmap: Fix the sk->sk_forward_alloc warning of sk_stream_kill_queues","updatedAt":1793909484688}