CVE-2022-50374

CVE-2022-50374 affects the Linux kernel Bluetooth stack (hci_ldisc/hci_serdev). The issue is a missing handling of percpu_init_rwsem() failure, leading to a NULL pointer dereference in hci_uart_tty_close() because rcu_sync_enter() can be called without rcu_sync_init() after hci_uart_tty_open() ig...

PT-2025-38184

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw related to Bluetooth handling. Specifically, a NULL pointer dereference can occur in the hci uart tty close function due to a failure in percpu init...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not properly handling the percpuinitrwsem failure case, which could result in a null pointer dereference...

Linux Distros Unpatched Vulnerability : CVE-2022-50059

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: ceph: don't leak snaprwsem in handlecapgrant When handlecapgrant is called on an IMPORT op,...

Linux Distros Unpatched Vulnerability : CVE-2023-52480

"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: ksmbd: fix race condition between session lookup and expire Thread A + Thread B...

UBUNTU-CVE-2022-50059

In the Linux kernel, the following vulnerability has been resolved: ceph: don't leak snaprwsem in handlecapgrant When handlecapgrant is called on an IMPORT op, then the snaprwsem is held and the function is expected to release it before returning. It currently fails to do that in all cases which...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the handlecapgrant function not releasing snaprwsem during an IMPORT operation could lead to a deadlock...

PT-2025-25985 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A issue in the Linux kernel has been identified where the function handle cap grant fails to release the snap rwsem when called on an IMPORT op, potentially leading to a deadlock...

CVE-2022-49850 nilfs2: fix deadlock in nilfs_count_free_blocks()

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-2022-49850

CVE-2022-49850 affects the Linux kernel nilfs2 subsystem. A semaphore deadlock can occur when nilfs_get_block() detects metadata corruption during data-block allocation and a concurrent superblock writeback happens. The root cause involves a lock order: rwsem A (NILFS_MDT dat_inode mi_sem) read l...

The vulnerabilities of the functions DECLARE_RWSEM() and dvb_register_device() in the drivers/media/dvb-core/dvbdev.c module of the Linux kernel allow a hacker to cause a service failure.

The vulnerabilities of the functions DECLARERWSEM and dvbregisterdevice in the drivers/media/dvb-core/dvbdev.c module of the Linux kernel are related to resource management errors. Exploiting these vulnerabilities can allow an attacker to cause service failures...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fixed an issue that covered the reserve,releasecompressblocks function with the cprwsem lock. This fix is necessary to avoid race conditions with the checkpoint mechanism. Otherwise, filesystem metadata, including...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Zoned – Fix for use-after-free due to race condition with dev replace When loading the information of a zone during the creation of a block group, we may encounter a race condition with the device replace operation. This c...

DEBIAN-CVE-2024-48875

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't take devreplace rwsem on task already holding it Running fstests btrfs/011 with MKFSOPTIONS="-O rst" to force the usage of the RAID stripe-tree, we get the following splat from lockdep: BTRFS info device sdd:...

AZL-56216 CVE-2024-48875 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't take devreplace rwsem on task already holding it Running fstests btrfs/011 with MKFSOPTIONS="-O rst" to force the usage of the RAID stripe-tree, we get the following splat from lockdep: BTRFS info device sdd:...

CVE-2024-53052

In the Linux kernel, the following vulnerability has been resolved: iouring/rw: fix missing NOWAIT check for ODIRECT start write When iouring starts a write, it'll call kiocbstartwrite to bump the super block rwsem, preventing any freezes from happening while that write is in-flight. The freeze...

CVE-2024-53052 io_uring/rw: fix missing NOWAIT check for O_DIRECT start write

In the Linux kernel, the following vulnerability has been resolved: iouring/rw: fix missing NOWAIT check for ODIRECT start write When iouring starts a write, it'll call kiocbstartwrite to bump the super block rwsem, preventing any freezes from happening while that write is in-flight. The freeze...

CVE-2024-36899 gpiolib: cdev: Fix use after free in lineinfo_changed_notify

In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Fix use after free in lineinfochangednotify The use-after-free issue occurs as follows: when the GPIO chip device file is being closed by invoking gpiochrdevrelease, watchedlines is freed by bitmapfree, but the...

SUSE CVE-2024-27034

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover normal cluster write with cprwsem When we overwrite compressed cluster w/ normal cluster, we should not unlock cprwsem during f2fswriterawpages, otherwise data will be corrupted if partial blocks were...

CVE-2023-52480

A flaw was found in the ksmbd module in the Linux kernel. A race condition between session lookup and expire can cause a use-after-free, resulting in a denial of service...