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;
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernelUpgrade kernel-toolsUpgrade kernel-livepatch-5.10.155-138.670Upgrade kernel-livepatch-5.15.79-51.138Upgrade kernel-tools-develUpgrade bpftoolUpgrade python-perfUpgrade perfUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade kernel-headersUpgrade bpftool-debuginfoUpgrade kernel-develUpgrade kernel-tools-debuginfo | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | May 5, 2025 | May 1, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade bpftoolUpgrade kernel-toolsUpgrade kernelUpgrade kernel-tools-libs | Oct 24, 2025 | Oct 23, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 1, 2025 |
| Ubuntu | — | Upgrade linux-azure-5.15Upgrade linux-gcpUpgrade linux-xilinx-zynqmpUpgrade linux-intel-iot-realtimeUpgrade linux-oracleUpgrade linux-azureUpgrade linux-gcp-5.4Upgrade linux-iotUpgrade linux-oracle-5.15Upgrade linux-gkeopUpgrade linux-gcp-fipsUpgrade linux-azure-5.4Upgrade linux-hwe-5.15Upgrade linux-ibmUpgrade linux-gcp-5.15Upgrade linux-kvmUpgrade linux-intel-iotgUpgrade linux-hwe-5.4Upgrade linux-aws-fipsUpgrade linux-nvidiaUpgrade linux-azure-fipsUpgrade linux-intel-iotg-5.15Upgrade linux-gkeUpgrade linux-lowlatencyUpgrade linux-awsUpgrade linux-ibm-5.4Upgrade linux-nvidia-tegra-5.15Upgrade linux-realtimeUpgrade linux-lowlatency-hwe-5.15Upgrade linuxUpgrade linux-aws-5.4Upgrade linux-oracle-5.4Upgrade linux-bluefieldUpgrade linux-raspiUpgrade linux-riscv-5.15Upgrade linux-aws-5.15Upgrade linux-fipsUpgrade linux-raspi-5.4Upgrade linux-azure-fde | May 6, 2025 | May 1, 2025 |
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