Answer in brief
CVE-2022-49204 records a Medium severity (CVSS 5.5) vulnerability in bpf, sockmap: Fix more uncharged while msg has more_data. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=604326b41a6fb9b4a78b6179335decee0365cd8c <244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf || >=604326b41a6fb9b4a78b6179335decee0365cd8c <7b812a369e6416ab06d83cdd39d8e3f752781dd0 || >=604326b41a6fb9b4a78b6179335decee0365cd8c <168ff181f5b6e7fce684c98a30d35da1dbf8f82a || >=604326b41a6fb9b4a78b6179335decee0365cd8c <87d532d41ef937e16f61b3d2094f3a2ac49be365 || >=604326b41a6fb9b4a78b6179335decee0365cd8c <abb4caa477a5450817d2aa1198edce66450aecf8 || >=604326b41a6fb9b4a78b6179335decee0365cd8c <84472b436e760ba439e1969a9e3c5ae7c86de39d | 244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf, 7b812a369e6416ab06d83cdd39d8e3f752781dd0, 168ff181f5b6e7fce684c98a30d35da1dbf8f82a, 87d532d41ef937e16f61b3d2094f3a2ac49be365, abb4caa477a5450817d2aa1198edce66450aecf8, 84472b436e760ba439e1969a9e3c5ae7c86de39d |
| Linux/Linuxgeneric | 4.20 | Not reported |
Published upstream
Feb 26, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 5, 2026
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix more uncharged while msg has more_data In tcp_bpf_send_verdict(), if msg has more data after tcp_bpf_sendmsg_redir(): tcp_bpf_send_verdict() tosend = msg->sg.size //msg->sg.size = 22220 case __SK_REDIRECT: sk_msg_return() //uncharged msg->sg.size(22220) sk->sk_forward_alloc tcp_bpf_sendmsg_redir() //after tcp_bpf_sendmsg_redir, msg->sg.size=11000 goto more_data; tosend = msg->sg.size //msg->sg.size = 11000 case __SK_REDIRECT: sk_msg_return() //uncharged msg->sg.size(11000) to sk->sk_forward_alloc The msg->sg.size(11000) has been uncharged twice, to fix we can charge the remaining msg->sg.size before goto more data. This issue can cause the following info: WARNING: CPU: 0 PID: 9860 at net/core/stream.c:208 sk_stream_kill_queues+0xd4/0x1a0 Call Trace: <TASK> 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 ? vfs_write+0x237/0x290 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 </TASK> WARNING: CPU: 0 PID: 2136 at net/ipv4/af_inet.c:155 inet_sock_destruct+0x13c/0x260 Call Trace: <TASK> __sk_destruct+0x24/0x1f0 sk_psock_destroy+0x19b/0x1c0 process_one_work+0x1b3/0x3c0 worker_thread+0x30/0x350 ? process_one_work+0x3c0/0x3c0 kthread+0xe6/0x110 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30 </TASK>
Quoted source text, attributed separately from HOL analysis.