SUSE CVE-2026-53311

In the Linux kernel, the following vulnerability has been resolved: fuse: fix uninit-value in fusedentryrevalidate fusedentryrevalidate may be called with a dentry that didn't had -dtime initialised. The issue was found with KMSAN, where lookupopen calls dalloc, followed by drevalidate, as shown...

CVE-2026-53311

In the Linux kernel, the following vulnerability has been resolved: fuse: fix uninit-value in fusedentryrevalidate fusedentryrevalidate may be called with a dentry that didn't had -dtime initialised. The issue was found with KMSAN, where lookupopen calls dalloc, followed by drevalidate, as shown...

SUSE-SU-2026:22421-1 Security update for the Linux Kernel (Live Patch 17 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-40.1 fixes various security issues The following security issues were fixed: - CVE-2026-23278: netfilter: nftables: always walk all pending catchall elements bsc1260907. - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache...

Security update for the Linux Kernel (Live Patch 24 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.103 fixes various security issues The following security issues were fixed: CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261640. CVE-2026-31504: net: fix fanout UAF in packetrelease via NETDEVUP race...

Astra Linux – Vulnerability in Linux

A issue was discovered in the FUSE filesystem implementation in the Linux kernel before 5.10.6, also known as CID-5d069dbe8aaf. The fusedogetattr function calls makebadinode in inappropriate situations, causing a system crash. NOTE: The original fix for this vulnerability was incomplete, and its...

EUVD-2026-31254

When a fusefs file system implements extended attributes, the kernel may send a FUSELISTXATTR message to the userspace daemon to retrieve the list of extended attributes for a given file. The FUSE protocol requires the daemon to return a packed list of NUL-terminated strings. The fusefs kernel...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fuse: fixed the runtime warning in truncatefoliobatchexceptionals The WARNONONCE flag was introduced in truncatefoliobatchexceptionals to determine whether the filesystem has removed all DAX entries. This fix has been applied ...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in the Linux kernel’s FUSE filesystem, where a user triggers the write function. This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation...

fuse: reject oversized dirents in page cache

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CVE-2026-31713 fuse: abort on fatal signal during sync init

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 FUSEINIT, the filesystem creation will hang. The reason is that while all other threads will...

CVE-2026-31694

In the Linux kernel, the following vulnerability has been resolved: fuse: reject oversized dirents in page cache fuseadddirenttocache computes a serialized dirent size from the server-controlled namelen field and copies the dirent into a single page-cache page. The existing logic only checks...

CVE-2026-31465

In the Linux kernel, the following vulnerability has been resolved: writeback: don't block sync for filesystems with no data integrity guarantees Add a SBINODATAINTEGRITY superblock flag for filesystems that cannot guarantee data persistence on sync eg fuse. For superblocks with this flag set, sy...

CVE-2026-31465 writeback: don't block sync for filesystems with no data integrity guarantees

In the Linux kernel, the following vulnerability has been resolved: writeback: don't block sync for filesystems with no data integrity guarantees Add a SBINODATAINTEGRITY superblock flag for filesystems that cannot guarantee data persistence on sync eg fuse. For superblocks with this flag set, sy...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003603)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003603 advisory. The Linux kernel before 5.1-rc5 allows page-refcount reference count overflow, with resultant use-after- free issues, if about 140 GiB of RAM exists. This is related...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000688)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000688 advisory. The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mountin...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003029)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003029 advisory. A non-privileged user is able to mount a fuse filesystem on RHEL 6 or 7 and crash a system if an application punches a hole in a file that does not end aligned to a...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001952)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001952 advisory. The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mountin...

CVE-2025-68805

In the Linux kernel, the following vulnerability has been resolved: fuse: fix io-uring list corruption for terminated non-committed requests When a request is terminated before it has been committed, the request is not removed from the queue's list. This leaves a dangling list entry that leads to...

PT-2026-6179

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s fs/writeback functionality, specifically within the wait sb inodes function. The issue involves skipping AS NO DATA INTEGRITY mappings, which can caus...

Linux Distros Unpatched Vulnerability : CVE-2025-40220

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fuse: fix livelock in synchronous file put from fuseblk workers I observed a hang when running generic/323 against a fuseblk server. This test opens a file,...