CVE-2026-90096

In the Linux kernel, the following vulnerability has been resolved: fuse: invalidate the correct range after OAPPEND direct write fusedirectwriteiter captures pos before genericwritechecks, which moves kipos to EOF for OAPPEND writes: fusedirectwriteiter pos = iocb-kipos; / 0 user-supplied /...

EUVD-2026-81957

In the Linux kernel, the following vulnerability has been resolved: fuse: invalidate the correct range after OAPPEND direct write fusedirectwriteiter captures pos before genericwritechecks, which moves kipos to EOF for OAPPEND writes: fusedirectwriteiter pos = iocb-kipos; / 0 user-supplied /...

CVE-2026-90096 fuse: invalidate the correct range after O_APPEND direct write

In the Linux kernel, the following vulnerability has been resolved: fuse: invalidate the correct range after OAPPEND direct write fusedirectwriteiter captures pos before genericwritechecks, which moves kipos to EOF for OAPPEND writes: fusedirectwriteiter pos = iocb-kipos; / 0 user-supplied /...

AZL-100610 CVE-2026-89644 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map leak in NOCOW direct I/O write btrfsdioiomapbegin calls btrfsgetextent, which returns an extent map reference that must be dropped on all exit paths. For direct writes into a NOCOW range,...

UBUNTU-CVE-2026-89678

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix partial-write detection in nfsddirectwrite nfsddirectwrite walks a list of write segments and, after each vfsiocbiterwrite, tries to detect a short write so the loop can stop before placing the next segment at a wrong...

PT-2026-90394

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the nfsd direct write function where partial-write detection is flawed. The function iterates through write segments and uses vfs iocb iter write to perform writes...

CVE-2026-88864 Capgo SSO Provider Authentication Bypass via PostgREST Direct Write

Capgo capgo.app fails to restrict direct write access to the public.ssoproviders table exposed through Supabase PostgREST. A holder of an ordinary Capgo full API key can insert a row with status='active' and enforcesso=true, bypassing the intended backend SSO provisioning route...

CVE-2026-64600 xfs: resample the data fork mapping after cycling ILOCK

In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle the ILOCK to grab a...

CVE-2026-46080

A flaw was found in the Linux kernel's Oracle Cluster File System 2 ocfs2 component. During direct I/O DIO write operations, specifically in the ocfs2dioendiowrite function, an issue with transaction splitting can lead to credit exhaustion in the Journaling Block Device 2 JBD2 subsystem. This can...

CVE-2026-23232

In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fsenablecheckpoint" This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a. Original patch may cause below deadlock, revert it. write remount - writebegin - lockpage --- lock A -...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005179)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005179 advisory. In the Linux kernel, the following vulnerability has been resolved: iouring/rw: fix missing NOWAIT check for ODIRECT start write When iouring starts a write, it'll...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005107)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005107 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix DIO failure due to insufficient transaction credits The code in ocfs2dioendiowrite...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993209)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993209 advisory. In the Linux kernel, the following vulnerability has been resolved: iouring/rw: fix missing NOWAIT check for ODIRECT start write When iouring starts a write, it'll...

The vulnerability of the nfs_direct_write_completion() function in the fs/nfs/direct.c module of the Linux file system support module allows a hacker to cause a service failure.

The vulnerability of the nfsdirectwritecompletion function in the fs/nfs/direct.c module of the Linux file system support module is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-53052)

iouring/rw: vulnerability due to iouring not checking for IOCBNOWAIT when starting an ODIRECT write, leading to potential deadlocks if the mount point is being frozen. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990023)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990023 advisory. In the Linux kernel, the following vulnerability has been resolved: nfs: fix UAF in direct writes In production we have been hitting the following warning...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990370)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990370 advisory. In the Linux kernel, the following vulnerability has been resolved: nfs: fix UAF in direct writes In production we have been hitting the following warning...

CVE-2025-38534

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix copy-to-cache so that it performs collection with ceph+fscache The netfs copy-to-cache that is used by Ceph with local caching sets up a new request to write data just read to the cache. The request is started and then...

DEBIAN-CVE-2025-21754

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix assertion failure when splitting ordered extent after transaction abort If while we are doing a direct IO write a transaction abort happens, we mark all existing ordered extents with the BTRFSORDEREDIOERR flag done at...

UBUNTU-CVE-2022-49068

In the Linux kernel, the following vulnerability has been resolved: btrfs: release correct delalloc amount in direct IO write path Running generic/406 causes the following WARNING in btrfsdestroyinode which tells there are outstanding extents left. In btrfsgetblocksdirectwrite, we reserve a...