Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: musb: Fixed hardware lockup upon the first Rx endpoint request There is a possibility that the callback of a request could be invoked from usbepqueue as shown in the call trace below, with missing calls included: c...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rcv: kexec: Avoid deadlock in the kexec crash path. If the kexec crash code is called in the interrupt context, the machinekexecmaskinterrupts function will trigger a deadlock while trying to acquire the irqdesc spinlock, and the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: i3c: Use i3cdev-desc-info instead of calling i3cdevicegetinfo to avoid deadlock. A deadlock may occur because i3cmasterregister acquires &i3cbus-lock twice. See the log below. Use i3cdev-desc-info instead of calling...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: The state lock is taken during the txtimeout Reporter. The function mlx5esafereopenchannels requires the state lock to be taken. The changes referenced in the “Fixes” section removed the lock requirement to address...

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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fixed deadlock issues with SRQ async events. The xalock function for the SRQ table may be required in AEQ. Use xastoreirq/xaeraseirq to avoid deadlock...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Nilfs2: Fixed potential deadlocks caused by newly created symlinks. Syzbot reported that the pagesymlink function, called by nilfssymlink, triggers memory reclamation involving the filesystem layer. This can lead to circular lock...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Added a missing bridge lock to pcibuslock. One of the “true positives” identified by the cfgaccesslock lockdep effort is the following sequence: WARNING: CPU: 14 PID: 1 at drivers/pci/pci.c:4886...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Fixed a deadlock in the SGX NUMA node search process. When the current node does not have an EPC section configured by the firmware, and all other EPC sections are used up, the CPU can get stuck inside the while loop tha...

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 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: 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 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;...