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 stems from the cachefilescull function not correctly acquiring the dentry reference count, resulting in the...

Linux Distros Unpatched Vulnerability : CVE-2026-43117

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: tracepoints: get correct superblock from dentry in event btrfssyncfile If overlay is used on top of btrfs, dentry-dsb translates to overlay's super block...

PT-2026-37416

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix incorrect dentry refcount in cachefiles cull The patch mentioned below changed cachefiles bury object to expect 2 references to the 'rep' dentry. Three of the callers were changed to use start removing dentry whic...

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 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...

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...

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...

EUVD-2026-24903

In the Linux kernel, the following vulnerability has been resolved: btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like: drwxrwxrwt 1 root root 16 Jan 23 16:49 . drwxr-xr-x 1 root root 24 Ja...

CVE-2026-31519

In the Linux kernel, the following vulnerability has been resolved: btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like: drwxrwxrwt 1 root root 16 Jan 23 16:49 . drwxr-xr-x 1 root root 24 Ja...

CVE-2026-31519 btrfs: set BTRFS_ROOT_ORPHAN_CLEANUP during subvol create

In the Linux kernel, the following vulnerability has been resolved: btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like: drwxrwxrwt 1 root root 16 Jan 23 16:49 . drwxr-xr-x 1 root root 24 Ja...

CVE-2026-31519

In the Linux kernel, the following vulnerability has been resolved: btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like: drwxrwxrwt 1 root root 16 Jan 23 16:49 . drwxr-xr-x 1 root root 24 Ja...

PT-2026-34424

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the btrfs file system where the BTRFS ROOT ORPHAN CLEANUP bit is not set during subvolume creation in the create subvol function. This can lead to a race condition...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013489)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013489 advisory. In the Linux kernel, the following vulnerability has been resolved: qibfs: fix another leak failure to allocate inode = leaked dentry... this one had been there sinc...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-007029)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007029 advisory. In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare Observed on kernel 6.6 present on master as...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010987)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010987 advisory. 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...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010968)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010968 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix information leak in f2fsmoveinlinedirents When converting an inline directory to a...