In the Linux kernel, the following vulnerability has been resolved:
ALSA: caiaq: Use snd_card_free_when_closed() at disconnection
The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses snd_card_free() at disconnection, but this waits for the close of all used fds, hence it can take long. It eventually blocks the upper layer USB ioctls, which may trigger a soft lockup.
An easy workaround is to replace snd_card_free() with snd_card_free_when_closed(). This variant returns immediately while the release of resources is done asynchronously by the card device release at the last close.
This patch also splits the code to the disconnect and the free phases; the former is called immediately at the USB disconnect callback while the latter is called from the card destructor.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jan 13, 2025 | Dec 27, 2024 |
| Oracle_linux | — | Upgrade kernel-uek | Feb 11, 2025 | Dec 27, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Dec 27, 2024 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1023-gkeUpgrade linux-image-awsUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-5.15.0-1074-nvidiaUpgrade linux-image-5.4.0-1116-fipsUpgrade linux-image-6.8.0-1027-azureUpgrade linux-image-6.8.0-1027-azure-fdeUpgrade linux-image-6.8.0-1024-ibmUpgrade linux-image-5.15.0-1083-azure-fipsUpgrade linux-image-5.15.0-135-generic-lpaeUpgrade linux-image-5.4.0-1090-ibmUpgrade linux-image-5.4.0-1101-bluefieldUpgrade linux-image-5.15.0-136-generic-lpaeUpgrade linux-image-6.8.0-1026-nvidia-lowlatencyUpgrade linux-image-6.8.0-1024-oracleUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-5.15.0-1044-xilinx-zynqmpUpgrade linux-image-oem-22.04dUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-genericUpgrade linux-image-intelUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-fipsUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-5.15.0-1080-awsUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-6.8.0-1028-gcp-64kUpgrade linux-image-5.15.0-1072-ibmUpgrade linux-image-aws-fipsUpgrade linux-image-5.15.0-1084-azureUpgrade linux-image-gkeUpgrade linux-image-nvidia-6.8Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-bluefieldUpgrade linux-image-5.4.0-1147-azureUpgrade linux-image-5.4.0-1142-awsUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-realtimeUpgrade linux-image-6.8.0-1010-gkeopUpgrade linux-image-intel-iotgUpgrade linux-image-5.15.0-1079-gcpUpgrade linux-image-5.15.0-1077-oracleUpgrade linux-image-6.8.0-1026-nvidiaUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-oemUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.8.0-1026-nvidia-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-6.8.0-1024-oracle-64kUpgrade linux-image-5.15.0-1033-nvidia-tegra-rtUpgrade linux-image-5.15.0-1081-gcpUpgrade linux-image-oem-20.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-5.15.0-135-lowlatency-64kUpgrade linux-image-gkeopUpgrade linux-image-5.15.0-1075-intel-iotgUpgrade linux-image-5.15.0-1080-realtimeUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-oracleUpgrade linux-image-aws-lts-24.04Upgrade linux-image-5.4.0-1142-aws-fipsUpgrade linux-image-gcp-64kUpgrade linux-image-5.15.0-1077-gkeUpgrade linux-image-oem-24.04Upgrade linux-image-6.8.0-1026-nvidia-lowlatency-64kUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-5.4.0-211-lowlatencyUpgrade linux-image-6.11.0-1009-awsUpgrade linux-image-5.4.0-1088-ibmUpgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-5.4.0-211-generic-lpaeUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-5.15.0-135-genericUpgrade linux-image-6.8.0-1026-oemUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-azure-cvmUpgrade linux-image-virtualUpgrade linux-image-5.4.0-1140-oracleUpgrade linux-image-6.8.0-58-generic-64kUpgrade linux-image-5.15.0-1074-ibmUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-gke-5.15Upgrade linux-image-nvidiaUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-5.15.0-1033-nvidia-tegraUpgrade linux-image-raspi2Upgrade linux-image-gcp-fipsUpgrade linux-image-5.15.0-1062-gkeopUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-azure-lts-20.04Upgrade linux-image-oem-20.04dUpgrade linux-image-lowlatency-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-azure-fipsUpgrade linux-image-raspi-nolpaeUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-azure-nvidiaUpgrade linux-image-aws-lts-20.04Upgrade linux-image-5.4.0-1145-gcp-fipsUpgrade linux-image-5.15.0-1086-azure-fdeUpgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-5.15.0-1079-gcp-fipsUpgrade linux-image-generic-64kUpgrade linux-image-6.8.0-58-lowlatency-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-5.4.0-1129-kvmUpgrade linux-image-5.4.0-1147-azure-fipsUpgrade linux-image-oem-osp1Upgrade linux-image-oem-24.04bUpgrade linux-image-5.15.0-1021-nvidia-tegra-igx-rtUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-oem-20.04bUpgrade linux-image-kvmUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-5.4.0-211-genericUpgrade linux-image-5.15.0-1080-aws-fipsUpgrade linux-image-5.15.0-135-lowlatencyUpgrade linux-image-5.15.0-135-generic-64kUpgrade linux-image-raspiUpgrade linux-image-oem-22.04cUpgrade linux-image-5.15.0-1021-nvidia-tegra-igxUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-gkeop-6.8Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-lowlatencyUpgrade linux-image-5.15.0-1073-intel-iot-realtimeUpgrade linux-image-oem-22.04bUpgrade linux-image-ibmUpgrade linux-image-azure-fdeUpgrade linux-image-5.4.0-1145-gcpUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-5.15.0-1074-nvidia-lowlatencyUpgrade linux-image-azure-lts-24.04Upgrade linux-image-5.15.0-1086-azureUpgrade linux-image-oem-24.04aUpgrade linux-image-nvidia-64kUpgrade linux-image-azureUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.8.1-1020-realtimeUpgrade linux-image-6.8.0-1028-gcpUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-oem-22.04Upgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-58-genericUpgrade linux-image-5.15.0-1076-kvmUpgrade linux-image-nvidia-tegraUpgrade linux-image-5.15.0-1077-intel-iotgUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-azure-lts-22.04Upgrade linux-image-aws-lts-22.04Upgrade linux-image-5.4.0-1060-xilinx-zynqmpUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-oem-20.04cUpgrade linux-image-oracle-64kUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.4.0-1048-iotUpgrade linux-image-5.15.0-136-genericUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-5.4.0-1129-raspiUpgrade linux-image-generic-lpaeUpgrade linux-image-gcpUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-5.15.0-136-generic-64kUpgrade linux-image-6.8.0-58-lowlatencyUpgrade linux-image-5.15.0-135-fipsUpgrade linux-image-5.15.0-1074-raspiUpgrade linux-image-realtime-hwe-24.04 | Feb 20, 2025 | Dec 27, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2025 | Dec 27, 2024 |
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