The vulnerability of the spin_lock() function in the vfs component of the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the spinlock function in the vfs component of the Linux operating system’s kernel is related to improper locking mechanisms. Exploiting this vulnerability could allow an attacker to trigger a service failure...

PT-2025-18886

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to the fixed version Description The issue is related to the RISC-V architecture in the Linux kernel, where a mutex lock is taken twice during SiFive errata patching, resulting in errors such as kernel NULL pointer...

DEBIAN-CVE-2022-49930

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix NULL pointer problem in freemrinit Lock grab occurs in a concurrent scenario, resulting in stepping on a NULL pointer. It should be init mutexinit first before use the lock. Unable to handle kernel NULL pointer...

DEBIAN-CVE-2022-49850

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix deadlock in nilfscountfreeblocks A semaphore deadlock can occur if nilfsgetblock detects metadata corruption while locating data blocks and a superblock writeback occurs at the same time: task 1 task 2 ------ ------ A...

CVE-2022-49814

In the Linux kernel, the following vulnerability has been resolved: kcm: close race conditions on skreceivequeue sk-skreceivequeue is protected by skb queue lock, but for KCM sockets its RX path takes mux-rxlock to protect more than just skb queue. However, kcmrecvmsg still only grabs the skb que...

DEBIAN-CVE-2022-49814

In the Linux kernel, the following vulnerability has been resolved: kcm: close race conditions on skreceivequeue sk-skreceivequeue is protected by skb queue lock, but for KCM sockets its RX path takes mux-rxlock to protect more than just skb queue. However, kcmrecvmsg still only grabs the skb que...

DEBIAN-CVE-2022-49783

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Drop fpregs lock before inheriting FPU permissions Mike Galbraith reported the following against an old fork of preempt-rt but the same issue also applies to the current preempt-rt tree. BUG: sleeping function called fro...

UBUNTU-CVE-2022-49810

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing xasretry calls in xarray iteration netfslib has a number of places in which it performs iteration of an xarray whilst being under the RCU read lock. It should call xasretry as the first thing inside of the loop...

UBUNTU-CVE-2022-49930

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix NULL pointer problem in freemrinit Lock grab occurs in a concurrent scenario, resulting in stepping on a NULL pointer. It should be init mutexinit first before use the lock. Unable to handle kernel NULL pointer...

UBUNTU-CVE-2022-49783

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Drop fpregs lock before inheriting FPU permissions Mike Galbraith reported the following against an old fork of preempt-rt but the same issue also applies to the current preempt-rt tree. BUG: sleeping function called fro...

UBUNTU-CVE-2022-49884

In the Linux kernel, the following vulnerability has been resolved: KVM: Initialize gfntopfncache locks in dedicated helper Move the gfntopfncache lock initialization to another helper and call the new helper during VM/vCPU creation. There are race conditions possible due to kvmgfntopfncacheinit'...

UBUNTU-CVE-2022-49814

In the Linux kernel, the following vulnerability has been resolved: kcm: close race conditions on skreceivequeue sk-skreceivequeue is protected by skb queue lock, but for KCM sockets its RX path takes mux-rxlock to protect more than just skb queue. However, kcmrecvmsg still only grabs the skb que...

CVE-2022-49765

In the Linux kernel, the following vulnerability has been resolved: net/9p: use a dedicated spinlock for transfd Shamelessly copying the explanation from Tetsuo Handa's suggested patch1 slightly reworded: syzbot is reporting inconsistent lock state in p9reqput2, for p9tagremove from p9reqput from...

DEBIAN-CVE-2022-49768

In the Linux kernel, the following vulnerability has been resolved: 9p: transfd/p9conncancel: drop client lock earlier syzbot reported a double-lock here and we no longer need this lock after requests have been moved off to local list: just drop the lock earlier...

DEBIAN-CVE-2022-49765

In the Linux kernel, the following vulnerability has been resolved: net/9p: use a dedicated spinlock for transfd Shamelessly copying the explanation from Tetsuo Handa's suggested patch1 slightly reworded: syzbot is reporting inconsistent lock state in p9reqput2, for p9tagremove from p9reqput from...

CVE-2022-49768

In the Linux kernel, the following vulnerability has been resolved: 9p: transfd/p9conncancel: drop client lock earlier syzbot reported a double-lock here and we no longer need this lock after requests have been moved off to local list: just drop the lock earlier...

UBUNTU-CVE-2022-49768

In the Linux kernel, the following vulnerability has been resolved: 9p: transfd/p9conncancel: drop client lock earlier syzbot reported a double-lock here and we no longer need this lock after requests have been moved off to local list: just drop the lock earlier...

UBUNTU-CVE-2022-49765

In the Linux kernel, the following vulnerability has been resolved: net/9p: use a dedicated spinlock for transfd Shamelessly copying the explanation from Tetsuo Handa's suggested patch1 slightly reworded: syzbot is reporting inconsistent lock state in p9reqput2, for p9tagremove from p9reqput from...

CVE-2025-37776

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smbbreakalllevIIoplock There is a room in smbbreakalllevIIoplock that can cause racy issues when unlocking in the middle of the loop. This patch use read lock to protect whole loop...

DEBIAN-CVE-2025-37776

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smbbreakalllevIIoplock There is a room in smbbreakalllevIIoplock that can cause racy issues when unlocking in the middle of the loop. This patch use read lock to protect whole loop...