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-tools-libsUpgrade kernelUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade python3-perf | Oct 24, 2025 | Oct 23, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 1, 2025 |
| Ubuntu | — | Upgrade linux-aws-hweUpgrade linux-oracle-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-azure-5.4Upgrade linux-azure-fipsUpgrade linux-aws-5.4Upgrade linux-hwe-5.15Upgrade linuxUpgrade linux-azure-5.15Upgrade linux-aws-fipsUpgrade linux-oracleUpgrade linux-lowlatencyUpgrade linux-gcp-fipsUpgrade linux-iotUpgrade linux-hwe-5.4Upgrade linux-gkeopUpgrade linux-gkeUpgrade linux-gcp-5.4Upgrade linux-azure-fde-5.15Upgrade linux-ibmUpgrade linux-ibm-5.4Upgrade linux-riscv-5.15Upgrade linux-raspiUpgrade linux-kvmUpgrade linux-nvidiaUpgrade linux-gcpUpgrade linux-aws-5.15Upgrade linux-realtimeUpgrade linux-nvidia-tegra-5.15Upgrade linux-raspi-5.4Upgrade linux-intel-iotgUpgrade linux-fipsUpgrade linux-gcp-4.15Upgrade linux-azure-4.15Upgrade linux-bluefieldUpgrade linux-azureUpgrade linux-hweUpgrade linux-gcp-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-awsUpgrade linux-intel-iot-realtimeUpgrade linux-oracle-5.4 | 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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