CVE-2026-64045

CVE-2026-64045 (Linux kernel, ovpn tcp close race) : The vulnerability stems from ovpn_tcp_close() loading the ovpn_socket pointer under RCU read-lock, then using sock->peer after releasing the lock, while ovpn_socket_release() may detach the socket concurrently. The fix tightens the pattern b...

CVE-2026-64045 ovpn: tcp - use cached peer pointer in ovpn_tcp_close()

In the Linux kernel, the following vulnerability has been resolved: ovpn: tcp - use cached peer pointer in ovpntcpclose ovpntcpclose loads the ovpnsocket via rcudereferenceskuserdata under rcureadlock, takes a reference on sock-peer, caches the peer pointer in a local, and drops the read lock. It...

CVE-2026-64045

In the Linux kernel, the following vulnerability has been resolved: ovpn: tcp - use cached peer pointer in ovpntcpclose ovpntcpclose loads the ovpnsocket via rcudereferenceskuserdata under rcureadlock, takes a reference on sock-peer, caches the peer pointer in a local, and drops the read lock. It...

Linux Distros Unpatched Vulnerability : CVE-2026-53341

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently b...

CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

UBUNTU-CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

EUVD-2026-40975

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

CVE-2026-53341

The CVE-2026-53341 issue in the Linux kernel concerns a use-after-free (UAF) in fhandle handling due to unlocked reads of mount::mnt_ns during may_decode_fh(). The race occurs because may_decode_fh() can access mnt_ns without taking locks, allowing the mount to be unmounted and the mnt_namespace ...

CVE-2026-53341 fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh()

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

PT-2026-54809

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mnt ns read in may decode fh may decode fh accesses mount::mnt ns without holding any locks; that means the mount can concurrently be unmounted, and the mnt namespace can concurrently be freed...

Linux Distros Unpatched Vulnerability : CVE-2026-53293

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/amdgpu: fix AMDGPUINFOREADMMRREG There were multiple issues in that code. First of all the order between the reset semaphore and the mmlock was wrong e.g...

SUSE CVE-2026-53293

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix AMDGPUINFOREADMMRREG There were multiple issues in that code. First of all the order between the reset semaphore and the mmlock was wrong e.g. copytouser was called while holding the lock. Then we allocated memory...

UBUNTU-CVE-2026-53293

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix AMDGPUINFOREADMMRREG There were multiple issues in that code. First of all the order between the reset semaphore and the mmlock was wrong e.g. copytouser was called while holding the lock. Then we allocated memory...

CVE-2026-53293

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix AMDGPUINFOREADMMRREG There were multiple issues in that code. First of all the order between the reset semaphore and the mmlock was wrong e.g. copytouser was called while holding the lock. Then we allocated memory...

SUSE CVE-2026-52946

In the Linux kernel, the following vulnerability has been resolved: fs/fcntl: fix SOFTIRQ-unsafe lock order in fasync signaling A SOFTIRQ-safe to SOFTIRQ-unsafe lock order deadlock can occur in sendsigio and sendsigurg when a process group receives a signal. When FASYNC is configured for a proces...

Linux Distros Unpatched Vulnerability : CVE-2026-52946

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs/fcntl: fix SOFTIRQ-unsafe lock order in fasync signaling A SOFTIRQ-safe to SOFTIRQ-unsafe lock order deadlock can occur in sendsigio and sendsigurg when a...

EUVD-2026-38814

In the Linux kernel, the following vulnerability has been resolved: fs/fcntl: fix SOFTIRQ-unsafe lock order in fasync signaling A SOFTIRQ-safe to SOFTIRQ-unsafe lock order deadlock can occur in sendsigio and sendsigurg when a process group receives a signal. When FASYNC is configured for a proces...

CVE-2026-54905

concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::ReentrantReadWriteLock can incorrectly grant a write lock after one thread acquires the read lock 32,768 times. The lock stores a thread's local read and write hold counts in one integer. The low 15 bits are used...