Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: The code for radeonfenceprocess has been removed in issignaled, preventing deadlocks. The attempt to advance the queue when checking whether the fence is signaled has been eliminated. This prevents deadlocks. The...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fixed a circular locking dependency in ocfs2initacl. A lockdep warning indicates a circular locking dependency between &oi-ipxattrsem and &journal-jtransbarrier: WARNING: A circular locking dependency was detected. The...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a deadlock in waitcurrenttrans due to an ignored transaction type When waitcurrenttrans is called during starttransaction, it currently waits for a blocked transaction without considering whether the given transactio...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In usb: gadget: ftcm, the deadlock in usbgmaketpg has been fixed. usbgmaketpg held a deplock while calling configfsdependitemunlocked, which acquired the configfs root inode lock when operating across subsystems. This created a...

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 5.15

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix reset error handling Do not call iavfclose in iavfresettask error handling. Doing so can lead to double call of napidisable, which can lead to deadlock there. Removing VF would lead to iavfremove task being stuck, becau...

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

In the Linux kernel, the following vulnerability has been resolved: i2c: pnx: Fixed a potential deadlock warning from the deltimersync call in isr. When deltimersync is called in an interrupt context, a warning is thrown due to a potential deadlock. The timer is only used to exit from...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: super: Fixed an emergency thaw deadlock on frozen block devices The dothawallcallback function calls bdevthaw while holding sb-sumount exclusively. If the block device was frozen using bdevfreeze, releasing the last block-laye...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed the lockdep splat issue and potential deadlock that occurs after running delayed items. When running delayed items, we hold the mutex of the delayed node. Then, we attempt to modify a subvolume btree to insert, updat...

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

Closing an event channel in the Linux kernel can lead to a deadlock. This occurs when the closure operation is performed in parallel with an unrelated Xen console action, and the handling of a Xen console interrupt occurs in a unprivileged guest. The closure of an event channel is triggered, for...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fixed deadlock issue when using the NCM gadget The cdns3 driver suffers from the same deadlock issue as fixed in cdnsp with the commit 58f2fcb3a845 „usb: cdnsp: Fixed deadlock issue during use of the NCM gadget”. Unde...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: cancels all operations upon calling hciunregisterdev. syzbot reports that calling hcireleasedev from hcierrorreset can cause a deadlock at destroyworkqueue. This occurs because hcierrorreset is called from...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Do not hold the nilock lock when calling truncatesetsize. syzbot reports a hung task during the call to douseraddrfault 1. This occurs because there is a silent deadlock between the PGlocked bit and the nilock lock. Sin...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: RFCOMM: Fixed a possible deadlock in rfcommskstatechange. rfcommskstatechange attempts to use socklock, so it should never be called with it locked. However, rfcommsockioctl always attempts to lock it, causing the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid double-rtnllock ELP metric worker The batadvvelpgetthroughput function might be called when the RTNL lock is already held. This could be problematic when the work queue item is cancelled using...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevents deadlock by moving j1939skerrqueue This commit addresses a deadlock situation that can occur in certain scenarios, such as when running data transfer tasks TP/ETP and subscribing to the error queue while...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvme-multipath: deferring partition scanning. We need to prevent the partition scanning from occurring within the controller’s scanwork context. If a path error occurs here, I/O operations will wait until a path becomes available...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fixed a deadlock in the usbdeauthorizeinterface function. Among the attribute file callback routines in drivers/usb/core/sysfs.c, the interfaceauthorizedstore function is the only one that acquires a device lock on an...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ublk: Fix for deadlock when reading the partition table When a process such as udev opens the ublk block device e.g., to read the partition table using bdevopen, a deadlock can occur: 1. bdevopen grabs the disk-openmutex. 2. The...