In the Linux kernel, the following vulnerability has been resolved:
ALSA: usb-audio: Drop snd_BUG_ON() from snd_usbmidi_output_open()
snd_usbmidi_output_open() has a check of the NULL port with snd_BUG_ON(). snd_BUG_ON() was used as this shouldn't have happened, but in reality, the NULL port may be seen when the device gives an invalid endpoint setup at the descriptor, hence the driver skips the allocation. That is, the check itself is valid and snd_BUG_ON() should be dropped from there. Otherwise it's confusing as if it were a real bug, as recently syzbot stumbled on it.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | May 5, 2025 | May 1, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-toolsUpgrade kernelUpgrade kernel-tools-libsUpgrade bpftoolUpgrade python3-perfUpgrade kernel-abi-stablelists | Oct 24, 2025 | Oct 23, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 1, 2025 |
| Ubuntu | — | Upgrade linux-azure-5.15Upgrade linux-hwe-5.4Upgrade linux-nvidiaUpgrade linux-gkeUpgrade linux-iotUpgrade linux-hwe-5.15Upgrade linux-gcp-fipsUpgrade linux-ibm-5.4Upgrade linux-oracleUpgrade linux-aws-hweUpgrade linux-gcp-5.4Upgrade linuxUpgrade linux-lowlatencyUpgrade linux-xilinx-zynqmpUpgrade linux-raspiUpgrade linux-aws-fipsUpgrade linux-azure-5.4Upgrade linux-azure-fde-5.15Upgrade linux-azure-fipsUpgrade linux-aws-5.4Upgrade linux-ibmUpgrade linux-gkeopUpgrade linux-oracle-5.15Upgrade linux-oracle-5.4Upgrade linux-nvidia-tegra-5.15Upgrade linux-gcpUpgrade linux-intel-iot-realtimeUpgrade linux-awsUpgrade linux-intel-iotgUpgrade linux-azureUpgrade linux-bluefieldUpgrade linux-fipsUpgrade linux-raspi-5.4Upgrade linux-gcp-5.15Upgrade linux-azure-4.15Upgrade linux-hweUpgrade linux-realtimeUpgrade linux-intel-iotg-5.15Upgrade linux-gcp-4.15Upgrade linux-azure-fdeUpgrade linux-riscv-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-aws-5.15Upgrade linux-kvm | May 6, 2025 | May 1, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | May 1, 2025 |
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