PT-2025-47906

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Network File System daemon nfsd in the Linux kernel contains a flaw related to reference counting in the nfsd set fh dentry function. Specifically, when an NFSv3 or NFSv2 client uses...

kernel: nfsd: don't ignore the return code of svc_proc_register()

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svcprocregister Currently, nfsdprocstatinit ignores the return value of svcprocregister. If the procfile creation fails, then the kernel will WARN when it tries to remove the entry later. Fix...

kernel: nfsd: don't ignore the return code of svc_proc_register()

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svcprocregister Currently, nfsdprocstatinit ignores the return value of svcprocregister. If the procfile creation fails, then the kernel will WARN when it tries to remove the entry later. Fix...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990383)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990383 advisory. In the Linux kernel, the following vulnerability has been resolved: ovl: Filter invalid inodes with missing lookup function Add a check to the ovldentryweird functio...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989588)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989588 advisory. In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leak in cephreaddir when notelastdentry returns error Reset the lastreaddir at t...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: The cancle function marks a bad inode after attempting to remove a file name. The reproducer uses a file0 on an ntfs3 file system with a corrupted ilink. When renaming a file, the inode of file0 is marked as a bad inode...

vfs: Don't leak disconnected dentries on umount

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AZL-69421 CVE-2025-40105 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: vfs: Don't leak disconnected dentries on umount When user calls openbyhandleat on some inode that is not cached, we will create disconnected dentry for it. If such dentry is a directory, exportfsdecodefhraw will then try to conne...

UBUNTU-CVE-2025-40105

In the Linux kernel, the following vulnerability has been resolved: vfs: Don't leak disconnected dentries on umount When user calls openbyhandleat on some inode that is not cached, we will create disconnected dentry for it. If such dentry is a directory, exportfsdecodefhraw will then try to conne...

CVE-2025-40105 vfs: Don't leak disconnected dentries on umount

In the Linux kernel, the following vulnerability has been resolved: vfs: Don't leak disconnected dentries on umount When user calls openbyhandleat on some inode that is not cached, we will create disconnected dentry for it. If such dentry is a directory, exportfsdecodefhraw will then try to conne...

CVE-2025-40105

CVE-2025-40105 is a Linux kernel vulnerability where, under certain conditions when using open_by_handle_at() on an uncached inode, a disconnected dentry could be created and later leaked, potentially contributing to the infamous “Busy inodes after unmount” issue if the parent is disconnected. Th...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from not properly handling disconnected dentry, which could lead to a memory leak...

kernel: nfsd: don't ignore the return code of svc_proc_register()

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svcprocregister Currently, nfsdprocstatinit ignores the return value of svcprocregister. If the procfile creation fails, then the kernel will WARN when it tries to remove the entry later. Fix...

Siemens SIMATIC Devices Infinite Loop (CVE-2024-57940)

exfat: fix the infinite loop in exfatreaddir If the file system is corrupted so that a cluster is linked to itself in the cluster chain, and there is an unused directory entry in the cluster, dentry will not be incremented, causing condition dentry maxdentries unable to prevent an infinite loop...

kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()

A flaw out of boundary read in the Linux kernel NFS functionality was found in the way connected user sends malicious data to the server. A remote user could use this flaw to crash the system...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987587)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987587 advisory. In the Linux kernel, the following vulnerability has been resolved: ovl: fix warning in ovlcreatereal Syzbot triggered the following warning in ovlworkdircreate -...

PT-2025-49388

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the exFAT file system within the Linux kernel that can lead to a Denial-of-Service DoS condition. Malformed dentries in an exFAT filesystem can cause the kernel to hang...

kernel: nfsd: don't ignore the return code of svc_proc_register()

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svcprocregister Currently, nfsdprocstatinit ignores the return value of svcprocregister. If the procfile creation fails, then the kernel will WARN when it tries to remove the entry later. Fix...

kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()

A flaw out of boundary read in the Linux kernel NFS functionality was found in the way connected user sends malicious data to the server. A remote user could use this flaw to crash the system...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...