PT-2026-64485

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the fuse-uring component where the fuse uring commit function incorrectly handles failures during memory copying. When copy from user fails, it returns a positive...

PT-2026-64481

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the fuse-uring component. The fuse uring commit fetch function fails to check the queue-stopped value under a lock, and the fuse uring abort end requests...

CVE-2026-64258: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: remove request-less entries from entwreqqueue to fix NULL deref If a copy into the userspace ring buffer fails, a request will be terminated and fuseuringreqend will set ent-fusereq to NULL but it will leave the entry...

PT-2026-64479

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL dereference issue exists in the fuse-uring component. When a copy into the userspace ring buffer fails, the fuse uring req end function sets ent-fuse req to NULL but leaves the...

CVE-2026-64267: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fuse: avoid 32-bit prune notification count wrap FUSENOTIFYPRUNE validates the nodeid payload length with: size - sizeofoutarg != outarg.count sizeofu64 On 32-bit kernels, sizet is also 32 bits, so the daemon-controlled count...

Linux Distros Unpatched Vulnerability : CVE-2026-64262

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: fuse-uring: end fusereq on io-uring cancel task work When iouring delivers task work with...

CVE-2026-64262: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: end fusereq on io-uring cancel task work When iouring delivers task work with tw.cancel set PFEXITING, PFKTHREAD fallback, or percpurefisdying on the ring context, fuseuringsendintask takes the cancel branch, assigns...

PT-2026-64483

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the fuse-uring component where the fuse uring send in task function fails to properly discharge the ring entry's reference to the fuse req when io uring delivers task...

PT-2026-64488

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An integer wrap occurs in 32-bit kernels during the validation of the nodeid payload length for FUSE NOTIFY PRUNE. The check uses a calculation where the daemon-controlled count...

Linux Distros Unpatched Vulnerability : CVE-2026-64258

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: fuse-uring: remove request-less entries from entwreqqueue to fix NULL deref If a copy into t...

CVE-2026-64259: Use After Free

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: make a fusereq on SQE commit only findable after memcpy Bad userspace might try to trick us and send commit SQEs request unique / commit-id of requests that are not even send to fuse-server iouringcmddone not called...

Linux Distros Unpatched Vulnerability : CVE-2026-64263

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix moving cancelled entry to entinuserspace list fuseuringcancel moves entries...

Linux Distros Unpatched Vulnerability : CVE-2026-64261

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: fuse-uring: Avoid use-after-free in fuseuringasyncstopqueues fuseuringasyncstopqueues might...

PT-2026-64482

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the fuse-uring component. The function fuse uring async stop queues may execute after the final reference on the ring-queue refs variable has been droppe...

Linux Distros Unpatched Vulnerability : CVE-2026-64264

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix EFAULT clobber in fuseuringcommit copyfromuser returns the number of bytes...

PT-2026-64486

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the FUSE Filesystem in Userspace module. When the fuse resend function moves a request from fpq-processing back to fiq-pending, it fails to remove the in...

PT-2026-64484

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the fuse-uring component where the fuse uring cancel function moves available entries without attached requests to the ent in userspace list. The ent list request expire...

CVE-2026-64263: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix moving cancelled entry to entinuserspace list fuseuringcancel moves entries that are available these have no reqs attached to the entinuserspace list. entlistrequestexpired checks the first entry on entinuserspace...

CVE-2026-64265: Use After Free

In the Linux kernel, the following vulnerability has been resolved: fuse: clear intrentry in fuseresend and fuseremovependingreq When fuseresend moves a request from fpq-processing back to fiq-pending, it sets FRPENDING and clears FRSENT but does not remove the requests intrentry from...

Linux Distros Unpatched Vulnerability : CVE-2026-64265

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: fuse: clear intrentry in fuseresend and fuseremovependingreq When fuseresend moves a request...