Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Cyclic allocation of msgid to avoid reuse. Reusing the msgid after a maliciously completed reopen request may cause a read request to remain unprocessed, resulting in a hung task, as shown below: t1 | t2 | t3...

Astra Linux – Vulnerability in Linux 6.1

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

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “cachefiles”: requests are removed from xarray during flushing of requests. Even when the CACHEFILESDEAD flag is set, we can still read the requests. Therefore, in concurrent scenarios, a request may be accessed after it has been...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Wait for ondemandobjectworker to finish before dropping the object. When queuing ondemandobjectworker to re-open the object, cachefilesobject is not pinned. The cachefilesobject may be freed when the pending read...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: cachefiles: Fixed the dentry leak in cachefilesopenfile. A dentry leak may occur when a lookup cookie and a cull operation are performed concurrently. P1 | P2 -----------------------------------------------------------...

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...

CVE-2026-72368

A flaw was found in the cachefiles component of the Linux kernel. When a directory creation operation fails due to memory exhaustion, a double unlock of the parent directory lock occurs. This issue corrupts the read-write semaphore rwsem state, which can lead to system instability or a kernel...

Linux Distros Unpatched Vulnerability : CVE-2026-72368

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cachefiles: Fix double unlock in nomemdalloc error path When startcreating fails and returns -ENOMEM, it has already released the parent directory lock in...

CVE-2026-72368

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix double unlock in nomemdalloc error path When startcreating fails and returns -ENOMEM, it has already released the parent directory lock in startdirop: static struct dentry startdirop... ... inodelocknesteddir,...

CVE-2026-72368

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix double unlock in nomemdalloc error path When startcreating fails and returns -ENOMEM, it has already released the parent directory lock in startdirop: static struct dentry startdirop... ... inodelocknesteddir,...

UBUNTU-CVE-2026-72368

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix double unlock in nomemdalloc error path When startcreating fails and returns -ENOMEM, it has already released the parent directory lock in startdirop: static struct dentry startdirop... ... inodelocknesteddir,...

EUVD-2026-59267

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix double unlock in nomemdalloc error path When startcreating fails and returns -ENOMEM, it has already released the parent directory lock in startdirop: static struct dentry startdirop... ... inodelocknesteddir,...

CVE-2026-72368

In the Linux kernel, CVE-2026-72368 describes a double unlock in the nomem_d_alloc path of cachefiles: after start_creating() fails with -ENOMEM, __start_dirop() releases the parent lock, but nomem_d_alloc in cachefiles_get_directory() unconditionally unlocks d_inode(dir) again, corrupting the rw...

CVE-2026-72368 cachefiles: Fix double unlock in nomem_d_alloc error path

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix double unlock in nomemdalloc error path When startcreating fails and returns -ENOMEM, it has already released the parent directory lock in startdirop: static struct dentry startdirop... ... inodelocknesteddir,...

CVE-2026-72368 cachefiles: Fix double unlock in nomem_d_alloc error path

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix double unlock in nomemdalloc error path When startcreating fails and returns -ENOMEM, it has already released the parent directory lock in startdirop: static struct dentry startdirop... ... inodelocknesteddir,...

PT-2026-72556

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix double unlock in nomem d alloc error path When start creating fails and returns -ENOMEM, it has already released the parent directory lock in start dirop: static struct dentry start dirop... ... inode lock...

SUSE 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...

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...