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.
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 |
|---|---|---|---|---|
| Redhat_linux | — | No solution exists | Jul 17, 2026 | May 1, 2026 |
| Ubuntu | — | Upgrade linux-image-raspiUpgrade linux-image-7.0.0-28-genericUpgrade linux-image-generic-7.0Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-azure-7.0Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-oem-24.04cUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-azureUpgrade linux-image-oracleUpgrade linux-image-7.0.0-27-generic-64kUpgrade linux-image-raspi-7.0Upgrade linux-image-raspi-realtimeUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-nvidia-7.0Upgrade linux-image-oem-24.04dUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-7.0.0-1008-aws-64kUpgrade linux-image-7.0.0-1008-awsUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-azure-fdeUpgrade linux-image-7.0.0-1007-gcpUpgrade linux-image-nvidia-64kUpgrade linux-image-gcpUpgrade linux-image-7.0.0-1013-nvidiaUpgrade linux-image-oem-24.04aUpgrade linux-image-realtime-64kUpgrade linux-image-7.0.0-1007-oracle-64kUpgrade linux-image-oracle-7.0Upgrade linux-image-7.0.0-27-genericUpgrade linux-image-awsUpgrade linux-image-7.0.0-1014-raspiUpgrade linux-image-ibmUpgrade linux-image-oracle-64kUpgrade linux-image-7.0.0-1007-gcp-64kUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-aws-64k-7.0Upgrade linux-image-azure-fde-7.0Upgrade linux-image-virtual-7.0Upgrade linux-image-realtimeUpgrade linux-image-7.0.0-27-realtimeUpgrade linux-image-oem-24.04bUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-generic-64k-7.0Upgrade linux-image-genericUpgrade linux-image-gcp-64kUpgrade linux-image-7.0.0-1014-raspi-realtimeUpgrade linux-image-7.0.0-1007-oracleUpgrade linux-image-realtime-7.0Upgrade linux-image-7.0.0-1010-azureUpgrade linux-image-realtime-64k-7.0Upgrade linux-image-7.0.0-28-generic-64kUpgrade linux-image-gcp-7.0Upgrade linux-image-aws-64kUpgrade linux-image-7.0.0-27-realtime-64kUpgrade linux-image-ibm-7.0Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-7.0.0-1013-nvidia-64kUpgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-1009-ibmUpgrade linux-image-oem-24.04Upgrade linux-image-realtime-hwe-26.04Upgrade linux-image-nvidiaUpgrade linux-image-generic-64kUpgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-virtual | Jul 1, 2026 | May 1, 2026 |
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