kernel: smb: client: fix race with concurrent opens in rename(2)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename2 Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all...

kernel: smb: client: fix race with concurrent opens in rename(2)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename2 Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all...

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...

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...

SUSE CVE-2025-40212

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix refcount leak in nfsdsetfhdentry nfsd exports a "pseudo root filesystem" which is used by NFSv4 to find the various exported filesystems using LOOKUP requests from a known root filehandle. NFSv3 uses the MOUNT protocol ...

CVE-2025-40212

CVE-2025-40212 affects the Linux kernel NFSD code path in nfsd_set_fh_dentry(). The vulnerability occurs when a v3 (or earlier) client uses a filehandle from the pseudo root filesystem; the function can store the export in a svc_fh and drop the reference (exp_put()) in an error path, causing a us...

CVE-2025-40212 nfsd: fix refcount leak in nfsd_set_fh_dentry()

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix refcount leak in nfsdsetfhdentry nfsd exports a "pseudo root filesystem" which is used by NFSv4 to find the various exported filesystems using LOOKUP requests from a known root filehandle. NFSv3 uses the MOUNT protocol ...

CVE-2025-40212

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix refcount leak in nfsdsetfhdentry nfsd exports a "pseudo root filesystem" which is used by NFSv4 to find the various exported filesystems using LOOKUP requests from a known root filehandle. NFSv3 uses the MOUNT protocol ...

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...

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 the Linux kernel that stems from a reference count leak in the nfsdsetfhdentry function, which could lead to post-release reuse and denial of...

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 found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: NFS: Fixed the filehandle bounds checking in nfsfhtodentry. The function needs to check the minimum filehandle length before it can access the embedded filehandle...

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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The vulnerability of the __fh_to_dentry() function in the fs/ceph/export.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the fhtodentry function in the fs/ceph/export.c module of the Linux operating system is related to security configuration errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

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...