CVE-2026-64040

A flaw was found in the Linux kernel's cachefiles subsystem. When the vfsmkdir function fails, the system does not correctly extract the error code from the returned error pointer. This improper handling can lead to a null pointer being returned instead of a valid error, potentially causing a...

Linux Distros Unpatched Vulnerability : CVE-2026-64040

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix error return when vfsmkdir fails When vfsmkdir fails, the error code is not...

CVE-2026-64040

CVE-2026-64040 affects the Linux kernel’s cachefiles path. The root cause is that when vfs_mkdir() fails, the error code was not extracted from the error pointer, causing mkdir_error to be reached with ret=0 and returning ERR_PTR(0) (NULL) instead of a proper error pointer. The public description...

EUVD-2026-45613

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix error return when vfsmkdir fails When vfsmkdir fails, the error code is not extracted from the returned error pointer. This causes mkdirerror to be reached with ret=0, which leads to returning ERRPTR0 NULL instead...

CVE-2026-64040 cachefiles: Fix error return when vfs_mkdir() fails

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix error return when vfsmkdir fails When vfsmkdir fails, the error code is not extracted from the returned error pointer. This causes mkdirerror to be reached with ret=0, which leads to returning ERRPTR0 NULL instead...

CVE-2026-64040 cachefiles: Fix error return when vfs_mkdir() fails

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix error return when vfsmkdir fails When vfsmkdir fails, the error code is not extracted from the returned error pointer. This causes mkdirerror to be reached with ret=0, which leads to returning ERRPTR0 NULL instead...

CVE-2026-64040

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix error return when vfsmkdir fails When vfsmkdir fails, the error code is not extracted from the returned error pointer. This causes mkdirerror to be reached with ret=0, which leads to returning ERRPTR0 NULL instead...

PT-2026-61357

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the cachefiles module where the system fails to correctly extract the error code when the vfs mkdir function fails. This results in the mkdir error logic being trigger...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cachefiles: corrected the incorrect dentry reference count in cachefilescull. The patch mentioned below changed cachefilesburyobject to expect two references to the ‘rep’ dentry. Three of the caller functions were changed to use...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Unmarking an inode as being in use in error paths The inode is marked as “in use” if an error occurs. If the marking of the inode as “in use” occurs in cachefilesopenfile, Cachefiles will report an error message sayin...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Added missing lock protection when polling. Added missing lock protection in the poll routine when iterating the xarray. Otherwise, even with the RCU read lock held, only the slot of the radix tree is guaranteed to be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cachefiles: Fixed a slab-out-of-bounds issue in cachefilessetvolumexattr. The actual length of volume coherence data should be used when setting the xattr value to avoid the following KASAN report. BUG: KASAN: Slab-out-of-boun...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cachefiles: The maximum subrequest size for cache writes has been set to MAXRWCOUNT. The maximum size of a subrequest that writes to cachefiles is now MAXRWCOUNT, ensuring that we do not exceed the maximum number of writes we can...

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

In the Linux kernel, the following vulnerabilities have been resolved: cachefiles: fixed a memory leak in cachefilesaddcache The following memory leak was reported after unbinding /dev/cachefiles: ================================================================== Unreferenced object...

Linux Distros Unpatched Vulnerability : CVE-2026-43106

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix incorrect dentry refcount in cachefilescull The patch mentioned below change...

CVE-2026-43106

A flaw was found in the Linux kernel's cachefiles module, which manages cached files. This vulnerability stems from an error in how the system counts references to certain file system objects, specifically within the cachefilescull function. When a reference is lost, it can lead to system...

EUVD-2026-27622

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix incorrect dentry refcount in cachefilescull The patch mentioned below changed cachefilesburyobject to expect 2 references to the 'rep' dentry. Three of the callers were changed to use startremovingdentry which tak...

CVE-2026-43106

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix incorrect dentry refcount in cachefilescull The patch mentioned below changed cachefilesburyobject to expect 2 references to the 'rep' dentry. Three of the callers were changed to use startremovingdentry which tak...

CVE-2026-43106

CVE-2026-43106 concerns the Linux kernel, specifically the cachefiles module. The issue is a faulty dentry reference accounting in cachefiles_cull() that could cause a lost reference, due to one code path not taking the extra reference required by cachefiles_bury_object(). The patch adjusts sever...

CVE-2026-43106 cachefiles: fix incorrect dentry refcount in cachefiles_cull()

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix incorrect dentry refcount in cachefilescull The patch mentioned below changed cachefilesburyobject to expect 2 references to the 'rep' dentry. Three of the callers were changed to use startremovingdentry which tak...