Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: qibfs: fixed the dentry leak. The simplerecursiveremoval function removes the pinning references to all positive values in the subtree. In cases where its argument is kept alive solely through pinning, that’s exactly the right...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053338)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053338 advisory. In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a...

The vulnerability of the functions dcache_init_early() and dcache_init() in the fs/dcache.c module of the Linux kernel’s file system allows a attacker to access protected information or cause service failures.

The vulnerability of the functions dcacheinitearly and dcacheinit in the fs/dcache.c module of the Linux kernel’s file system is related to a cyclic shift. Exploiting this vulnerability can allow an attacker to access protected information or cause service failures...

PT-2026-72342

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the OpenRISC architecture implementation regarding jump label SMP syncing. The system fails to properly invalidate instruction caches icaches on remote cores, which ca...

SUSE CVE-2026-64369

In the Linux kernel, the following vulnerability has been resolved: s390: Revert support for DCACHEWORDACCESS loadunalignedzeropad reads eight bytes from unaligned addresses and may cross page boundaries. It handles exceptions which may happen if reading from the second page results in an...

CVE-2026-64369 s390: Revert support for DCACHE_WORD_ACCESS

In the Linux kernel, the following vulnerability has been resolved: s390: Revert support for DCACHEWORDACCESS loadunalignedzeropad reads eight bytes from unaligned addresses and may cross page boundaries. It handles exceptions which may happen if reading from the second page results in an...

CVE-2026-64369

CVE-2026-64369 affects the Linux kernel s390 architecture . The function load_unaligned_zeropad() reads eight bytes from unaligned addresses that may cross page boundaries. For pages donated to the Ultravisor for secure execution, the do_secure_storage_access() exception handler does not correctl...

CVE-2026-53311 fuse: fix uninit-value in fuse_dentry_revalidate()

In the Linux kernel, the following vulnerability has been resolved: fuse: fix uninit-value in fusedentryrevalidate fusedentryrevalidate may be called with a dentry that didn't had -dtime initialised. The issue was found with KMSAN, where lookupopen calls dalloc, followed by drevalidate, as shown...

CVE-2026-46052

A flaw was found in the Linux kernel's Ceph filesystem. A local user or process interacting with the Ceph filesystem could trigger a dcache hash corruption when a negative dentry is incorrectly re-added to the dcache hash while it is already present. This can cause the system to experience an RCU...

AZL-88445 CVE-2026-46052 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

UBUNTU-CVE-2026-46052

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46052

The CVE-2026-46052 issue concerns the Linux kernel Ceph filesystem where a negative dentry that is already hashed can be re-added to the dcache, corrupting the d_hash bucket and leading to an RCU stall or system hang. The root cause is that d_add() can rehash and reinstate a dentry that is alread...

CVE-2026-46052 ceph: only d_add() negative dentries when they are unhashed

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46052 ceph: only d_add() negative dentries when they are unhashed

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46052

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

Linux Distros Unpatched Vulnerability : CVE-2026-46052

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash...

CVE-2026-43071

A flaw was found in the Linux kernel's dcache component. When the 'dhashentries' parameter is set to one, an out-of-bounds OOB read occurs in the dentryhashtable. This issue arises due to an incorrect calculation of the 'dhashshift' value, causing the system to attempt to access unallocated memor...

SUSE 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...

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...