CVE-2026-64378

In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered: ================================================================== VFS: Busy inodes after...

virtiofs: fix UAF on submount umount

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CVE-2026-53381 virtiofs: fix UAF on submount umount

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-2026-53381: Use After Free

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-2026-53284: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: btrfs: only release the dirty pages io tree after successful writes WARNING With extra warning on dirty extent buffers at umount aka, the next patch in the series, test case generic/388 can trigger the following warning about dir...

CVE-2026-52990

In the Linux kernel, the following vulnerability has been resolved: fsnotify: fix inode reference leak in fsnotifyrecalcmask fsnotifyrecalcmask fails to handle the return value of fsnotifyrecalcmask, which may return an inode pointer that needs to be released via fsnotifydropobject when the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: cifs: Remove all cifs files before killing the superuser. CIFS files may be removed during the umount process for cifs. After umount is completed, cifsFileInfoPutFinal is called, which causes the following bug: BUG: Kernel NULL...

AZL-83282 CVE-2026-31446 affecting package kernel for versions less than 6.6.134.1-2

In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in updatesuperwork when racing with umount Commit b98535d09179 "ext4: fix bugon in startthishandle during umount filesystem" moved ext4unregistersysfs before flushing ssbupdwork to prevent new error work...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013503)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013503 advisory. In the Linux kernel, the following vulnerability has been resolved: legitimizemnt: check for MNTSYNCUMOUNT should be under mountlock ... or we risk stealing final...

CVE-2026-31446: Use After Free

In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in updatesuperwork when racing with umount Commit b98535d09179 "ext4: fix bugon in startthishandle during umount filesystem" moved ext4unregistersysfs before flushing ssbupdwork to prevent new error work...

CVE-2026-38835

Tenda W30E V2.0 V16.01.0.21 was found to contain a command injection vulnerability in the formSetUSBPartitionUmount function via the usbPartitionName parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013178)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013178 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop all dirty pages during umount if cperror is set xfstest generic/361 reports a...

K000160486: Indicators of Compromise for c05d5254

Topic This article provides the known indicators of compromise IOCs associated with malicious software c05d5254 and related activity, and actions to take if IOCs are discovered. Important : Customers that were using BIG-IP APM on a vulnerable version at any point in time regardless of current...

The vulnerability of the doSystemCmd (goform/formSetUSBPartitionUmount) function in the Tenda W20E router software allows a hacker to execute arbitrary commands.

The vulnerability of the doSystemCmd goform/formSetUSBPartitionUmount function in the Tenda W20E router microprogramming system is related to incorrect handling of code generation in memory when processing the usbPartitionName parameter. Exploiting this vulnerability allows an attacker to execute...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002215)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002215 advisory. The mountpointlast function in fs/namei.c in the Linux kernel before 3.15.8 does not properly maintain a certain reference count during attempts to use the umount...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001869)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001869 advisory. The mountpointlast function in fs/namei.c in the Linux kernel before 3.15.8 does not properly maintain a certain reference count during attempts to use the umount...

CVE-2025-71107

In the Linux kernel, the following vulnerability has been resolved: f2fs: ensure node page reads complete before f2fsputsuper finishes Xfstests generic/335, generic/336 sometimes crash with the following message: F2FS-fs dm-0: detect filesystem reference count leak during umount, type: 9, count: ...

UBUNTU-CVE-2025-71107

In the Linux kernel, the following vulnerability has been resolved: f2fs: ensure node page reads complete before f2fsputsuper finishes Xfstests generic/335, generic/336 sometimes crash with the following message: F2FS-fs dm-0: detect filesystem reference count leak during umount, type: 9, count: ...

CVE-2025-71107 f2fs: ensure node page reads complete before f2fs_put_super() finishes

In the Linux kernel, the following vulnerability has been resolved: f2fs: ensure node page reads complete before f2fsputsuper finishes Xfstests generic/335, generic/336 sometimes crash with the following message: F2FS-fs dm-0: detect filesystem reference count leak during umount, type: 9, count: ...

Linux Distros Unpatched Vulnerability : CVE-2023-54305

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: refuse to create ea block when umounted The ea block expansion need to access sroot while it is already set as NULL when umount is triggered. Refuse this...