EUVD-2026-27375

In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentryhashtable when user sets 'dhashentries=1': BUG: unable to handle page fault for address: ffff888b30b774b0 PF: supervisor read access in kerne...

CVE-2026-43071

In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentryhashtable when user sets 'dhashentries=1': BUG: unable to handle page fault for address: ffff888b30b774b0 PF: supervisor read access in kerne...

CVE-2026-43071

CVE-2026-43071 affects the Linux kernel dcache component, specifically an OOB read in dentry_hashtable when dhash_entries is set to 1. The root cause is incorrect d_hash_shift calculation, causing an access to unallocated memory and potential kernel panic/DoS. The issue is mitigated by patching t...

CVE-2026-43071 dcache: Limit the minimal number of bucket to two

In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentryhashtable when user sets 'dhashentries=1': BUG: unable to handle page fault for address: ffff888b30b774b0 PF: supervisor read access in kerne...

CVE-2026-43071

In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentryhashtable when user sets 'dhashentries=1': BUG: unable to handle page fault for address: ffff888b30b774b0 PF: supervisor read access in kerne...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which arises from the issue of excessive out-of-bounds read accesses when the number of dentryhashtable buckets is...

PT-2026-37074

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds OOB read issue exists in the dentry hashtable when the dhash entries variable is set to 1. In this configuration, dcache init calculates d hash shift as 32. During the...

Linux Distros Unpatched Vulnerability : CVE-2026-43071

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentryhashtable when user sets 'dhashentries=1': BUG: unable to handle page...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ceph: A memory leak was fixed in cephreaddir when notelastdentry returns an error. lastreaddir was reset at the same time, and a comment was added explaining why lastreaddir is not freed when diremit returns false...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: qibfs: fixed another leak. Failure to allocate inode = data was leaked from dentry… This issue existed since the initial merge; to be fair, if we end up with an OOM situation, the chances of failure at that specific allocation...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vfs: Do not leak disconnected dentrys during umount When the user calls openbyhandleat on an inode that is not cached, we will create a disconnected dentry for it. If such a dentry is a directory, exportfsdecodefhraw will attempt...

Astra Linux – Vulnerability in Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “spufs”: fixed a leak related to the failure of spufsnewfile. This issue is triggered from spufsfilldir, and the caller of that function will call spufsrmdir in case of failure. This action removes everything we’ve managed to...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: 9p: Added missing locking around accessing the dentry fid list. Fixed a use-after-free issue when a thread accesses the dentry’s dfsdata fid list while another thread unlinks it from the dentry. UAF thread issues: - refcountt:...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-6.1, Linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: ima: Fixed a use-after-free issue related to the dname.name of a dentry. – dname.name can be changed during a rename operation, and the previous value can be freed. There are conditions that could potentially stabilize this...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fixed a race condition that occurred due to concurrent opens during the rename2 operation. In addition to sending the rename request to the server, the rename process also involves closing any deferred closes, waitin...

Astra Linux – Vulnerability in Linux 5.10

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...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFS: Fixed an error in nfsdautomount When mounting from an NFSv4 reference, path-dentry may end up being a negative dentry. Therefore, the struct nfsserver structure is derived from the dentry itself instead...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: check the return value of indxfind to avoid infinite loops We have identified a bug in the ntfs3 file system that can lead to a Denial-of-Service DoS condition. A malformed dentry in the ntfs3 filesystem can cause the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/inode: Prevent dumpmapping from accessing invalid dentry.dname.name It has been observed that a crash occurs during the hot removal of a memory device, in which the user is accessing hugetlb. See the call trace as follows:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: Avoid race conditions in opencacheddir when leases are broken. A previously valid cfid returned from findorcreatecacheddir might cause a race condition with a lease break. As a result, opencacheddir may not consid...