UBUNTU-CVE-2026-72315

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix busy dentry warning on unmount after DIO Commit c68337442f03 "cifs: Fix busy dentry used after unmounting" fixed the issue in cifs where deferred close of a file led to a dentry reference count not being released...

CVE-2026-74400 bpf: fix crash in bpf_[set|remove]_dentry_xattr for negative dentries

In the Linux kernel, the following vulnerability has been resolved: bpf: fix crash in bpfset|removedentryxattr for negative dentries bpfsetdentryxattr and bpfremovedentryxattr BPF kfuncs attempt to lock the inode of the supplied dentry without checking if it is NULL. If a negative dentry is passe...

CVE-2026-74400 bpf: fix crash in bpf_[set|remove]_dentry_xattr for negative dentries

In the Linux kernel, the following vulnerability has been resolved: bpf: fix crash in bpfset|removedentryxattr for negative dentries bpfsetdentryxattr and bpfremovedentryxattr BPF kfuncs attempt to lock the inode of the supplied dentry without checking if it is NULL. If a negative dentry is passe...

EUVD-2026-59547

In the Linux kernel, the following vulnerability has been resolved: bpf: fix crash in bpfset|removedentryxattr for negative dentries bpfsetdentryxattr and bpfremovedentryxattr BPF kfuncs attempt to lock the inode of the supplied dentry without checking if it is NULL. If a negative dentry is passe...

EUVD-2026-59506

In the Linux kernel, the following vulnerability has been resolved: configfslookup: don't leave -sdentry dangling on failure Normally -sdentry is cleared when dentry it's pointing to becomes negative on eviction, realistically. However, that only happens if dentry gets to be positive in the first...

CVE-2026-74359

In the Linux kernel, the following vulnerability has been resolved: configfslookup: don't leave -sdentry dangling on failure Normally -sdentry is cleared when dentry it's pointing to becomes negative on eviction, realistically. However, that only happens if dentry gets to be positive in the first...

EUVD-2026-59214

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix busy dentry warning on unmount after DIO Commit c68337442f03 "cifs: Fix busy dentry used after unmounting" fixed the issue in cifs where deferred close of a file led to a dentry reference count not being released...

CVE-2026-72315 smb: client: fix busy dentry warning on unmount after DIO

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix busy dentry warning on unmount after DIO Commit c68337442f03 "cifs: Fix busy dentry used after unmounting" fixed the issue in cifs where deferred close of a file led to a dentry reference count not being released...

CVE-2026-72315

The CVE-2026-72315 entry documents a Linux kernel issue in the CIFS/SMB client where a delayed release of a dentry reference count during unmount after DIO could trigger a busy-dentry warning. A fix was implemented in cifs_kill_sb() by flushing deferredclose_wq, and later the problem in the DIO p...

CVE-2026-72315 smb: client: fix busy dentry warning on unmount after DIO

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix busy dentry warning on unmount after DIO Commit c68337442f03 "cifs: Fix busy dentry used after unmounting" fixed the issue in cifs where deferred close of a file led to a dentry reference count not being released...

PT-2026-72836

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the BPF kfuncs bpf set dentry xattr and bpf remove dentry xattr when they attempt to lock the inode of a supplied dentry without verifying if it is...

CVE-2026-72315: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix busy dentry warning on unmount after DIO Commit c68337442f03 "cifs: Fix busy dentry used after unmounting" fixed the issue in cifs where deferred close of a file led to a dentry reference count not being released...

PT-2026-72795

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the configfs lookup function. When an inode allocation failure occurs, the -s dentry pointer is not cleared, leaving it dangling. Subsequent calls to...

PT-2026-72503

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client where the Direct I/O DIO path causes a delayed dentry reference-count release. This occurs when the unmount path is triggered before the cleanup work is...

Linux Distros Unpatched Vulnerability : CVE-2026-72315

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: fix busy dentry warning on unmount after DIO Commit c68337442f03 cifs: Fix busy dentry used after unmounting fixed the issue in cifs where deferred...

SUSE CVE-2026-64108

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix busy dentry used after unmounting Since commit 340cea84f691c "cifs: open files should not hold ref on superblock", cifs file only holds the dentry refcnt, the cifs file close workcfile-deferred could be executed after...

SUSE CVE-2026-64147

In the Linux kernel, the following vulnerability has been resolved: pdscore: fix debugfslookup dentry leak and error handling debugfslookup returns a dentry with an elevated reference count that must be released with dput. The current code discards the returned dentry without calling dput, causin...

SUSE CVE-2026-64164

In the Linux kernel, the following vulnerability has been resolved: btrfs: tracepoints: fix sleep while in atomic context in btrfssyncfile The trace event btrfssyncfile is called in an atomic context all trace events are and its call to dput, which is needed due to the call to dgetparent, can...

CVE-2026-64108

A flaw was found in the Linux kernel's Common Internet File System CIFS component. This vulnerability occurs when a CIFS file's close operation is executed after the filesystem has been unmounted, leading to a directory entry dentry remaining in use. This improper resource management can trigger ...

CVE-2026-64147

A flaw was found in the Linux kernel's pdscore module. This vulnerability can lead to a resource leak due to unreleased dentry references during firmware reset recovery. Furthermore, improper error handling when the debug file system debugfs is disabled could cause the system to crash, resulting ...