CVE-2025-21820

In the Linux kernel, the following vulnerability has been resolved: tty: xilinxuartps: split sysrq handling lockdep detects the following circular locking dependency: CPU 0 CPU 1 ========================== ============================ cdnsuartisr printk uartportlockport consolelock...

DEBIAN-CVE-2025-21820

In the Linux kernel, the following vulnerability has been resolved: tty: xilinxuartps: split sysrq handling lockdep detects the following circular locking dependency: CPU 0 CPU 1 ========================== ============================ cdnsuartisr printk uartportlockport consolelock...

CVE-2025-21820

CVE-2025-21820 affects the Linux kernel tty/xilinx_uartps driver. A deadlock could occur due to a circular lock dependency between uart_port_lock and console_lock when handling sysrq. The fix splits sysrq handling into two parts: using a prepare step under the port lock and deferring actual handl...

CVE-2025-21820 tty: xilinx_uartps: split sysrq handling

In the Linux kernel, the following vulnerability has been resolved: tty: xilinxuartps: split sysrq handling lockdep detects the following circular locking dependency: CPU 0 CPU 1 ========================== ============================ cdnsuartisr printk uartportlockport consolelock...

CVE-2025-21820 tty: xilinx_uartps: split sysrq handling

In the Linux kernel, the following vulnerability has been resolved: tty: xilinxuartps: split sysrq handling lockdep detects the following circular locking dependency: CPU 0 CPU 1 ========================== ============================ cdnsuartisr printk uartportlockport consolelock...

CVE-2025-21820: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: tty: xilinxuartps: split sysrq handling lockdep detects the following circular locking dependency: CPU 0 CPU 1 ========================== ============================ cdnsuartisr printk uartportlockport consolelock...

CVE-2022-49441

CVE-2022-49441 relates to a Linux kernel deadlock in tty handling. The root cause is a potential deadlock when kmalloc() path could trigger a printk() while holding tty_port->lock, enabling a cycle with console ownership locks. The described failing scenario involves multiple CPUs acquiring po...

CVE-2022-49441 tty: fix deadlock caused by calling printk() under tty_port->lock

In the Linux kernel, the following vulnerability has been resolved: tty: fix deadlock caused by calling printk under ttyport-lock ptywrite invokes kmalloc which may invoke a normal printk to print failure message. This can cause a deadlock in the scenario reported by syz-bot below: CPU0 CPU1 CPU2...

CVE-2024-54683

In the Linux kernel, the following vulnerability has been resolved: netfilter: IDLETIMER: Fix for possible ABBA deadlock Deletion of the last rule referencing a given idletimer may happen at the same time as a read of its file in sysfs: | ====================================================== |...

CVE-2024-57807

In the Linux kernel, the following vulnerability has been resolved: scsi: megaraidsas: Fix for a potential deadlock This fixes a 'possible circular locking dependency detected' warning CPU0 CPU1 ---- ---- lock&instance-resetmutex; lock&shost-scanmutex; lock&instance-resetmutex;...

CVE-2024-54191

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: iso: Fix circular lock in isoconnbigsync This fixes the circular locking dependency warning below, by reworking isosockrecvmsg, to ensure that the socket lock is always released before calling a function that locks hde...

CVE-2024-53689

In the Linux kernel, the following vulnerability has been resolved: block: Fix potential deadlock while freezing queue and acquiring sysfslock For storing a value to a queue attribute, the queueattrstore function first freezes the queue -qusagecounterio and then acquire -sysfslock. This seems not...

CVE-2024-57807 scsi: megaraid_sas: Fix for a potential deadlock

In the Linux kernel, the following vulnerability has been resolved: scsi: megaraidsas: Fix for a potential deadlock This fixes a 'possible circular locking dependency detected' warning CPU0 CPU1 ---- ---- lock&instance-resetmutex; lock&shost-scanmutex; lock&instance-resetmutex;...

CVE-2024-57807

CVE-2024-57807 is tied to the Linux kernel's SCSI megaraid_sas driver. The issue is a potential deadlock caused by a circular locking dependency between instance->reset_mutex and shost->scan_mutex, which could occur during lock ordering. The confirmed fix temporarily releases the reset_mute...

CVE-2024-57807 scsi: megaraid_sas: Fix for a potential deadlock

In the Linux kernel, the following vulnerability has been resolved: scsi: megaraidsas: Fix for a potential deadlock This fixes a 'possible circular locking dependency detected' warning CPU0 CPU1 ---- ---- lock&instance-resetmutex; lock&shost-scanmutex; lock&instance-resetmutex;...

CVE-2024-54683 netfilter: IDLETIMER: Fix for possible ABBA deadlock

In the Linux kernel, the following vulnerability has been resolved: netfilter: IDLETIMER: Fix for possible ABBA deadlock Deletion of the last rule referencing a given idletimer may happen at the same time as a read of its file in sysfs: | ====================================================== |...

CVE-2024-54683

CVE-2024-54683 – Linux kernel netfilter IDLETIMER ABBA deadlock : The vulnerability occurs when deleting the last idletimer rule may race with a read of its sysfs file, risking a circular locking dependency between idletimer teardown and kernel lock ownership. A reproduction shows concurrent dele...

CVE-2024-54191 Bluetooth: iso: Fix circular lock in iso_conn_big_sync

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: iso: Fix circular lock in isoconnbigsync This fixes the circular locking dependency warning below, by reworking isosockrecvmsg, to ensure that the socket lock is always released before calling a function that locks hde...

CVE-2024-54191

CVE-2024-54191 affects the Linux kernel Bluetooth stack (ISO). The issue arises from a circular lock between the socket lock and hdev lock in the ISO path. The fix reworks iso_sock_recvmsg and related code so that the socket lock is released before acquiring hdev, breaking the circular dependency...

CVE-2024-53689

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