{"id":"DEBIAN-CVE-2022-49209","details":"In the Linux kernel, the following vulnerability has been resolved:  bpf, sockmap: Fix memleak in tcp_bpf_sendmsg while sk msg is full  If tcp_bpf_sendmsg() is running while sk msg is full. When sk_msg_alloc() returns -ENOMEM error, tcp_bpf_sendmsg() goes to wait_for_memory. If partial memory has been alloced by sk_msg_alloc(), that is, msg_tx-\u003esg.size is greater than osize after sk_msg_alloc(), memleak occurs. To fix we use sk_msg_trim() to release the allocated memory, then goto wait for memory.  Other call paths of sk_msg_alloc() have the similar issue, such as tls_sw_sendmsg(), so handle sk_msg_trim logic inside sk_msg_alloc(), as Cong Wang suggested.  This issue can cause the following info: WARNING: CPU: 3 PID: 7950 at net/core/stream.c:208 sk_stream_kill_queues+0xd4/0x1a0 Call Trace:  \u003cTASK\u003e  inet_csk_destroy_sock+0x55/0x110  __tcp_close+0x279/0x470  tcp_close+0x1f/0x60  inet_release+0x3f/0x80  __sock_release+0x3d/0xb0  sock_close+0x11/0x20  __fput+0x92/0x250  task_work_run+0x6a/0xa0  do_exit+0x33b/0xb60  do_group_exit+0x2f/0xa0  get_signal+0xb6/0x950  arch_do_signal_or_restart+0xac/0x2a0  exit_to_user_mode_prepare+0xa9/0x200  syscall_exit_to_user_mode+0x12/0x30  do_syscall_64+0x46/0x80  entry_SYSCALL_64_after_hwframe+0x44/0xae  \u003c/TASK\u003e  WARNING: CPU: 3 PID: 2094 at net/ipv4/af_inet.c:155 inet_sock_destruct+0x13c/0x260 Call Trace:  \u003cTASK\u003e  __sk_destruct+0x24/0x1f0  sk_psock_destroy+0x19b/0x1c0  process_one_work+0x1b3/0x3c0  kthread+0xe6/0x110  ret_from_fork+0x22/0x30  \u003c/TASK\u003e","modified":"2026-09-01T20:04:54.147686006Z","published":"2025-02-26T07:00:58.007Z","upstream":["CVE-2022-49209"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49209"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.17.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49209.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.17.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49209.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.17.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49209.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}