In the Linux kernel, the following vulnerability has been resolved:
vsock/virtio: free queued packets when closing socket
As reported by syzbot [1], there is a memory leak while closing the socket. We partially solved this issue with commit ac03046ece2b ("vsock/virtio: free packets during the socket release"), but we forgot to drain the RX queue when the socket is definitely closed by the scheduled work.
To avoid future issues, let's use the new virtio_transport_remove_sock() to drain the RX queue before removing the socket from the af_vsock lists calling vsock_remove_sock().
[1] https://syzkaller.appspot.com/bug?extid=24452624fc4c571eedd9
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-develUpgrade bpftool-debuginfoUpgrade python-perfUpgrade kernel-headersUpgrade python-perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade perf-debuginfoUpgrade kernel-tools-devel | Aug 2, 2024 | Feb 28, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Feb 28, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel | May 13, 2024 | Feb 28, 2024 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-develUpgrade kernel-toolsUpgrade python3-perfUpgrade kernelUpgrade kernel-headersUpgrade perfUpgrade python-perf | Jul 23, 2024 | Feb 28, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-tools | Jul 17, 2024 | Feb 28, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 28, 2024 |
| Suse | — | Upgrade kernel-defaultUpgrade kernel-default-manUpgrade kernel-obs-buildUpgrade kernel-default-baseUpgrade kernel-azureUpgrade kernel-azure-develUpgrade kernel-azure-baseUpgrade kernel-docsUpgrade kernel-default-develUpgrade kernel-macrosUpgrade kernel-symsUpgrade kernel-default-extraUpgrade kernel-syms-azureUpgrade kernel-sourceUpgrade kernel-develUpgrade kernel-devel-azureUpgrade kernel-source-azure | Aug 9, 2024 | Feb 28, 2024 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Feb 28, 2024 |
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