Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek – Performing a runtime PM get operation on controllers during probing. The mt8183-mfgcfg component has a mutual dependency with genpd during the probing stage, which leads to a deadlock in the following call stack:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iio: adis16475: Fixed deadlock issues related to frequency setting. With the commit 39c024b51b560 "iio: adis16475: improved handling of sync scale mode", two deadlock situations were introduced: 1 The call to ‘adiswritereg16’...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvdimm: Fixed scenarios where firmware activation led to deadlocks. Lockdep reports the following deadlock scenarios for CXL root devices: - power-management, deviceprepare, operations, and deviceshutdown operations for...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a 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 ------...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: Core: Prevent panic during UVC unconfiguration Avichal Rakesh reported a kernel panic that occurred when the UVC gadget driver was removed from a gadget’s configuration. The panic involves a somewhat complex...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: fixed a deadlock that was triggered by canceldelayedworksyn The following LOCKDEP was detected: Workqueue: events smclgrfreework smc WARNING: possible circular locking dependency detected...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: In the tty module, a deadlock caused by calling printk under ttyport-lock was fixed. The ptywrite function invokes kmalloc, which may invoke a regular printk call to print failure messages. This can lead to a deadlock in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Drivers: Staging: rtl8723bs: Fixed a deadlock in rtwsurveydoneeventcallback There is a deadlock in rtwsurveydoneeventcallback, as shown below: Thread 1 | Thread 2 | settimer rtwsurveydoneeventcallback| modtimer spinlockbh //1 |...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: Ring-Buffer: Fixed a deadloop issue when reading tracepipe. A soft lockup occurs when reading the file ‘tracepipe’: - Watchdog: BUG: Soft lockup – CPU6 stuck for 22 seconds! cat:4488 - ... - RIP: 0010:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Lock the inode in shared mode before starting fiemap. Currently, fiemap does not lock the inode itself VFS lock; instead, it only locks a file range within the inode’s io tree. However, this can lead to a deadlock if there...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent deadlock while disabling aRFS When disabling aRFS under the priv-statelock, any scheduled aRFS operations are canceled using the cancelworksync function. This function waits for the operation to finish if it ha...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: Do not leak snaprwsem when handlecapgrant is called on an IMPORT operation. When handlecapgrant is called on an IMPORT operation, the snaprwsem resource is held, and the function is expected to release it before returning...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: nvmet-tcp: fixed incorrect locking in the statechange sk callback We are not changing anything in the TCP connection state, so we should not use a writelock but rather a read lock. This caused a deadlock when running nvmet-tcp...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevents deadlock by changing j1939sockslock to rwlock. The following 3 locks may race against each other, causing a deadlock situation in the Syzbot bug report: - j1939sockslock - activesessionlistlock -...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: IB/ipoib: Fixed the issue with locking the mcast list. The release of priv-lock while iterating over priv-multicastlist in ipoibmcastjointask creates a situation where ipoibmcastdevFlush may remove the items while the iteration i...

Astra Linux – Vulnerability in libvirt

A flaw was discovered in the libvirt libxl driver. A malicious guest could continuously reboot itself, causing libvirtd on the host to become locked out or crash, resulting in a denial-of-service condition...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/qspinlock: Fixed deadlock in the MCS queue. If an interrupt occurs in queuedspinlockslowpath after we increment qnodesp-count and before node-lock is initialized, another CPU may see stale lock values in gettailqnode. ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed a deadlock that occurred during netdev reset with active connections. This issue was addressed by preventing the deadlock that occurs when the netdev function is executed during a device reset while RDMA...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a deadlock that occurs during concurrent direct IO writes when there is limited free data space. When reserving data space for direct IO writes, a deadlock can occur if multiple tasks attempt to write to the same fil...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bcache: Avoid a “journal no-space deadlock” by reserving 1 journal bucket. The “journal no-space deadlock” has been reported from time to time. Such a deadlock can occur in the following situations: When all journal buckets are...