Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: Fixed deadlocks that occurred during the removal of kctl elements at disconnection. In sndcarddisconnect, we set the card-shutdown flag at the beginning, called callbacks, and performed synchronization for the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md/raid5: Fixed a deadlock issue where raid5d waits for MDSBCHANGEPENDING to be cleared. Xiao reported that the lvconvert-raid-takeover.sh test can hang with a small possibility. The root cause is the same as in the commit...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: i2c: stm32f7: Do not prepare/unprepare the clock during runtime suspend/resume If there is any clock controller attached to this I2C bus controller, such as Versaclock or an AIC32x4 I2C codec, then an I2C transfer triggered by th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have 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 6.1

In the Linux kernel, the following vulnerability has been resolved: net: hns3: A deadlock issue was fixed when configuring TC during the reset process. When configuring TC during the reset process, a deadlock may occur. The sequence is as follows: 1. pf reset start 2. setup tc 3. down: napidisabl...

Astra Linux – Vulnerability in Linux 6.1

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

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iouring: A potential deadlock has been fixed in ioregisteriowqmaxworkers. The ioregisteriowqmaxworkers function calls ioputsqdata, which acquires the sqd-lock without releasing the uringlock. Similar to the commit 009ad9f0c6ee...

Astra Linux – Vulnerability in 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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: fix recursive lock when verdict program return SKPASS When the streamverdict program returns SKPASS, it places the received skb into its own receive queue. However, a recursive lock occurs eventually, leading to an operating...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: pinctrl: fixed a deadlock issue in the createpinctrl function when handling -EPROBEDEFER. In createpinctrl, the pinctrlmapsmutex is acquired before calling addsetting. If addsetting returns -EPROBEDEFER, createpinctrl calls...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not create EA inodes under the buffer lock The ext4xattrsetentry function creates new EA inodes while holding the buffer lock on the external xattr block. This is problematic because all allocation-related locking...

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 in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed the idatasem unlock order in ext4indmigrate Fuzzing reported a potential deadlock in jbd2logwaitcommit. This issue occurs when the EXT4IOCMIGRATE ioctl is set to require synchronous updates because the file...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rtmutex: The rtmutex::waitlock function is dropped before scheduling. The rtmutexhandledeadlock function is called with the rtmutex::waitlock lock still held. In the good case, it returns with the lock held; in the deadlock case,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: padata: Use integer wrap-around to prevent deadlock in cases of seqnr overflow. When submitting more than 2^32 padata objects to padatadoserial, the current sorting implementation incorrectly sorts padata objects with overflowed...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: serial: imx: Introduced a timeout when waiting for the transmitter to become empty By waiting for at most 1 second until the USR2TXDC is set, we avoid a potential deadlock. In the event of a timeout, there’s not much we can do;...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a potential deadlock in miread. A mutex lock was used in nilockdir, along with another subclass of mutex...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netrom: fixed a possible deadlock in nrrtioctl syzbot discovered a possible deadlock in nrrtioctl 1 Make sure we always acquire nrnodelistlock before using nrnodelocknrnode. 1 WARNING: a circular locking dependency was detecte...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Set SDEVOFFLINE when UFS is shut down There is a history of deadlock issues when a reboot is performed at the beginning of booting. After UFS shuts down, SDEVQUIESCE is set for all LU’s scsidevices. At that time,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: The issue with mcp251x: where a deadlock occurs when an interrupt occurs during mcp251xopen has been fixed. The mcp251xhwwake function is called with the mpclock mutex held, and the interrupt handler is disabled so that no...