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In the Linux kernel, the following vulnerability has been resolved:
fuse: abort on fatal signal during sync init
When sync init is used and the server exits for some reason (error, crash) while processing FUSE_INIT, the filesystem creation will hang. The reason is that while all other threads will exit, the mounting thread (or process) will keep the device fd open, which will prevent an abort from happening.
This is a regression from the async mount case, where the mount was done first, and the FUSE_INIT processing afterwards, in which case there's no such recursive syscall keeping the fd open.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Redhat_linux | — | No solution exists | Jul 17, 2026 | May 1, 2026 |
| Ubuntu | — | Upgrade linux-image-virtualUpgrade linux-image-generic-64kUpgrade linux-image-7.0.0-1007-gcp-64kUpgrade linux-image-7.0.0-1009-ibmUpgrade linux-image-oem-24.04bUpgrade linux-image-nvidiaUpgrade linux-image-oem-24.04Upgrade linux-image-azure-fde-7.0Upgrade linux-image-realtime-hwe-26.04Upgrade linux-image-7.0.0-1007-oracleUpgrade linux-image-7.0.0-1014-raspi-realtimeUpgrade linux-image-realtime-7.0Upgrade linux-image-gcp-64kUpgrade linux-image-genericUpgrade linux-image-generic-64k-7.0Upgrade linux-image-raspi-realtime-7.0Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-virtual-7.0Upgrade linux-image-aws-7.0Upgrade linux-image-realtimeUpgrade linux-image-gcp-7.0Upgrade linux-image-7.0.0-1010-azureUpgrade linux-image-7.0.0-28-generic-64kUpgrade linux-image-7.0.0-27-realtimeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-7.0.0-1013-nvidia-64kUpgrade linux-image-ibm-7.0Upgrade linux-image-7.0.0-27-realtime-64kUpgrade linux-image-aws-64kUpgrade linux-image-aws-64k-7.0Upgrade linux-image-nvidia-64kUpgrade linux-image-7.0.0-1007-gcpUpgrade linux-image-generic-hwe-26.04Upgrade linux-image-realtime-64kUpgrade linux-image-7.0.0-27-genericUpgrade linux-image-oracle-7.0Upgrade linux-image-raspi-realtimeUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-virtual-hwe-26.04Upgrade linux-image-gcpUpgrade linux-image-oracle-64kUpgrade linux-image-awsUpgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-azureUpgrade linux-image-7.0.0-27-generic-64kUpgrade linux-image-raspi-7.0Upgrade linux-image-raspiUpgrade linux-image-oem-24.04cUpgrade linux-image-oracleUpgrade linux-image-nvidia-7.0Upgrade linux-image-azure-fdeUpgrade linux-image-7.0.0-1008-aws-64kUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-oem-24.04dUpgrade linux-image-7.0.0-1013-nvidiaUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-azure-7.0Upgrade linux-image-ibmUpgrade linux-image-7.0.0-1008-awsUpgrade linux-image-7.0.0-1014-raspiUpgrade linux-image-7.0.0-28-genericUpgrade linux-image-7.0.0-1007-oracle-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-generic-7.0 | Jul 1, 2026 | May 1, 2026 |
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