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-2026-64265: 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...

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...

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...

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-2026-64482

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...

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...

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...

winfsp v2.2B3

WinFsp · Windows File System Proxy WinFsp enables developers to write their own file systems i.e. "Windows drives" as user mode programs and without any knowledge of Windows kernel programming. It is similar to FUSE Filesystem in Userspace for Linux and other UNIX-like computers. winfsp.dev...

CVE-2026-8933: Local Privilege Escalation in Set-Capabilities snap-confine

The Qualys Threat Research Unit TRU has identified a Local Privilege Escalation LPE vulnerability in snap-confine CVE-2026-8933. This flaw allows an unprivileged local user to gain full root access on default installations of Ubuntu Desktop 24.04, 25.10, and 26.04. The issue stems from a security...

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...

fuse: re-lock request before replacing page cache folio

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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 fuse: re-lock request before replacing page cache folio

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

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...