Answer in brief
CVE-2022-49877 records a Medium severity (CVSS 5.5) vulnerability in bpf, sockmap: Fix the sk->sk_forward_alloc warning of sk_stream_kill_queues. 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 |
| cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf <d975bec1eaeb52341acc9273db79ddb078220399 || >=7b812a369e6416ab06d83cdd39d8e3f752781dd0 <cc21dc48a78cc9e5af9a4d039cd456446a6e73ff || >=168ff181f5b6e7fce684c98a30d35da1dbf8f82a <95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb || >=84472b436e760ba439e1969a9e3c5ae7c86de39d <14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7 || >=84472b436e760ba439e1969a9e3c5ae7c86de39d <8ec95b94716a1e4d126edc3fb2bc426a717e2dba || 87d532d41ef937e16f61b3d2094f3a2ac49be365 || abb4caa477a5450817d2aa1198edce66450aecf8 || >=5.4.189 <5.4.225 || >=5.10.110 <5.10.155 || >=5.15.33 <5.15.79 || >=5.16.19 <5.17 || >=5.17.2 <5.18 | d975bec1eaeb52341acc9273db79ddb078220399, cc21dc48a78cc9e5af9a4d039cd456446a6e73ff, 95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb, 14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7, 8ec95b94716a1e4d126edc3fb2bc426a717e2dba, 5.4.225, 5.10.155, 5.15.79, 5.17, 5.18 |
| Linux/Linuxgeneric | 5.18 | Not reported |
Published upstream
May 1, 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 the sk->sk_forward_alloc warning of sk_stream_kill_queues When running `test_sockmap` selftests, the following warning appears: WARNING: CPU: 2 PID: 197 at net/core/stream.c:205 sk_stream_kill_queues+0xd3/0xf0 Call Trace: <TASK> inet_csk_destroy_sock+0x55/0x110 tcp_rcv_state_process+0xd28/0x1380 ? tcp_v4_do_rcv+0x77/0x2c0 tcp_v4_do_rcv+0x77/0x2c0 __release_sock+0x106/0x130 __tcp_close+0x1a7/0x4e0 tcp_close+0x20/0x70 inet_release+0x3c/0x80 __sock_release+0x3a/0xb0 sock_close+0x14/0x20 __fput+0xa3/0x260 task_work_run+0x59/0xb0 exit_to_user_mode_prepare+0x1b3/0x1c0 syscall_exit_to_user_mode+0x19/0x50 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae The root case is in commit 84472b436e76 ("bpf, sockmap: Fix more uncharged while msg has more_data"), where I used msg->sg.size to replace the tosend, causing breakage: if (msg->apply_bytes && msg->apply_bytes < tosend) tosend = psock->apply_bytes;
Quoted source text, attributed separately from HOL analysis.