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...

PT-2026-64488

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

PT-2026-64480

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. A malicious user could send commit SQEs Submission Queue Entries requests with unique commit-ids for requests that have not yet...

PT-2026-64484

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix moving cancelled entry to ent in userspace list fuse uring cancel moves entries that are available these have no reqs attached to the ent in userspace list. ent list request expired checks the first entry on ent i...

Linux Distros Unpatched Vulnerability : CVE-2026-64260

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fuse-uring: Avoid queue-stopped races and set/read that value under lock There are several readers of queue-stopped that check the value under lock, but...

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. - fuse-uring: fix moving cancelled entry to entinuserspace list fuseuringcancel moves entries that are available these have no reqs attached to the entinuserspace...

Linux Distros Unpatched Vulnerability : CVE-2026-64259

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

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-2026-64487

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the fuse module. The fuse ref folio function unlocks a request but fails to re-lock it before returning. This allows fuse chan abort to end the request,...

USN-8604-1 linux-azure-6.17 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

USN-8604-1: Linux kernel (Azure) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

CVE-2026-53388

A flaw was found in the Linux kernel's Filesystem in Userspace FUSE component. The fusetrymovefolio function, responsible for managing page cache folios, fails to re-lock a request after initially unlocking it on a successful path. This oversight allows another function, fusechanabort, to...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio CVE-2026-31451 In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix NULL pointer dereference in epqueue...

SUSE CVE-2026-53381

In the Linux kernel, the following vulnerability has been resolved: virtiofs: fix UAF on submount umount iput called from fusereleaseend can Oops if the super block has already been destroyed. Normally this is prevented by waiting for numwaiting to go down to zero before commencing with super blo...

SUSE CVE-2026-53388

In the Linux kernel, the following vulnerability has been resolved: fuse: re-lock request before replacing page cache folio fusetrymovefolio unlocks the request on entry but does not re-lock it on the success path. This means fusechanabort can end the request and free the fuseioargs eg...

CVE-2026-53388

In the Linux kernel, the following vulnerability has been resolved: fuse: re-lock request before replacing page cache folio fusetrymovefolio unlocks the request on entry but does not re-lock it on the success path. This means fusechanabort can end the request and free the fuseioargs eg...

CVE-2026-53381

In the Linux kernel, the following vulnerability has been resolved: virtiofs: fix UAF on submount umount iput called from fusereleaseend can Oops if the super block has already been destroyed. Normally this is prevented by waiting for numwaiting to go down to zero before commencing with super blo...

CVE-2026-53388

CVE-2026-53388 : Linux kernel fuse module vulnerability where fuse_try_move_folio() unlocks the request on entry but does not re-lock on the success path, allowing a use-after-free of fuse_io_args via fuse_chan_abort() and delayed copying logic. The issue is resolved by calling lock_request() bef...

CVE-2026-53388

In the Linux kernel, the following vulnerability has been resolved: fuse: re-lock request before replacing page cache folio fusetrymovefolio unlocks the request on entry but does not re-lock it on the success path. This means fusechanabort can end the request and free the fuseioargs eg...

EUVD-2026-45510

In the Linux kernel, the following vulnerability has been resolved: fuse: re-lock request before replacing page cache folio fusetrymovefolio unlocks the request on entry but does not re-lock it on the success path. This means fusechanabort can end the request and free the fuseioargs eg...