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

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: fixed a recursive semaphore deadlock in the fiemap call syzbot detected a OCFS2 hang due to a recursive semaphore on the FSIOCFIEMAP of the extent list in a specially crafted mmap file. contextswitch...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: lpfc: Fixed the deadlock issue in the SCSI I/O completion and abort handling routines. During stress I/O tests with 500+ vports, hard lockup calls were observed. CPU A: - nativequeuedspinlockslowpath+0x192 -...

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

In the Linux kernel, the following vulnerability has been resolved: serial: imx: fix tx statemachine deadlock When using the serial port as a RS485 port, the tx statemachine is used to control the RTS pin to drive the RS485 transceiver’s TXEN pin. When the TTY port is closed mid-transmission e.g....

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Reverting “drm/amd: flush any delayed gfxoff on suspend entry” The commit ab4750332dbe “drm/amdgpu/sdma5.2: add begin/enduse ring callbacks” caused GFXOFF control to be used more heavily, and the codepath that was removed from...

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: KVM: Always flush the async PF workqueue when a vCPU is being destroyed. Whenever a vCPU clears its completion queue, i.e., when a VM and all its vCPUs are being destroyed, the async PF workqueue must always be flushed. KVM must...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: afbluetooth: Fixed deadlock issue Attempting to use socklock on .recvmsg may cause a deadlock as shown below. Therefore, instead of using socksock, use skreceivequeue.lock on btsockioctl to avoid UAF: INFO: Task...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Remove WQMEMRECLAIM from storvscerrorwq The storvscerrorwq workqueue should not be marked as WQMEMRECLAIM, as it does not need to retain the status of forward progress under memory pressure. Marking this workqueue ...

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 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: smb: Client side – fixed a potential deadlock that could occur when releasing mids. All callers of releasemid seem to hold a reference to @mid; therefore, there is no need to call krefput&mid-refcount, releasemid under...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7921s – Fixed the issue where potentially hung tasks might occur during chip recovery. During chip recovery e.g., chip reset, there is a possibility that the kernel worker resetwork holds a lock and waits for the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: target: Fix multiple LUNRESET handling This fix addresses a bug where the initiator assumes that a LUNRESET has cleaned up running commands, when in fact it hasn’t. The bug was introduced in commit 51ec502a3266 “target:...

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: iio: light: opt3001: fixed a deadlock caused by concurrent flag access. The threaded IRQ function in this driver reads the flag twice: once to lock a mutex and once to unlock it. Although the code that sets the flag is designed t...

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

In the Linux kernel, the following vulnerability has been resolved: smb: Client: Fix deadlock in smb2findsmbtcon Unlock cifstcpseslock before calling cifsputsmbses to avoid such deadlocks...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Release the hbalock before calling lpfcworkerwakeup. The lpfcworkerwakeup function calls the lpfcworkdone routine, which requires holding the hbalock. Therefore, lpfcworkerwakeup should not be called while holding the...

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

In the Linux kernel, the following vulnerability has been resolved: ceph: fixed a deadlock or deadcode issue caused by misuse of dget. The lock order between denty and its parent is incorrect; we should always ensure that the parent gets the lock first. However, since this deadcode is never used,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed a deadlock that occurred when cloning inline extents and using qgroups. There are a few exceptional cases where cloning an inline extent requires copying the inline extent data into a page of the destination inode...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: typec: displayport: Fixed a potential deadlock condition. The deadlock can occur due to a recursive lock acquisition of crostypecaltmodedata::mutex. The call chain is as follows: 1. crostypecaltmodework acquires the mutex. 2...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: Fixed a deadlock between the devlink lock and esw-wq. esw-workqueue executes eswfunctionschangedeventhandler - eswvfschangedeventhandler acquires the devlink lock. .eswitchmodeset acquires the devlink lock in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ASoC: fslxcvr: Revert to fixing the missing lock in fslxcvrmodeput This revert commits f51424872760 “ASoC: fslxcvr: fix missing lock in fslxcvrmodeput”. The original patch attempted to acquire the card-controlsrwsem lock in...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: padata: Always keep BHs disabled when running -parallel. A deadlock can occur when an overloaded system runs -parallel in the context of the current task. c padatadoparallel -parallel pcryptaeadenc/dec padatadoserial...