Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: md: fixed a deadlock between mddevsuspend and flush Bio A deadlock occurs when mddev is suspended while some of the flush Bio operations are still in progress. This is a complex issue. T1: The first flush occurs at the end of...

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

In the Linux kernel, the following vulnerabilities have 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...

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: 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 – Vulnerabilities in Linux 5.10, Linux 5.15, 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 found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: exfat: fixed a potential deadlock in exfatgetdentryset When accessing a file with more entries than ESMAXENTRYNUM, the bh-array is allocated in exfatgetdentryset. The issue arises from the fact that the bh-array is allocated usin...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Deadlock issue fixed This patch introduces the ucsiconmutexlock and ucsiconmutexunlock functions to the UCSI driver. The ucsiconmutexlock function ensures that the connector mutex is only locked if ...

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 6.1

In the Linux kernel, the following vulnerability has been resolved: smb3: Fixed the potential deadlock due to lock ordering in the cifssyncmidresult function. Coverity identified that the cifssyncmidresult function could lead to a deadlock. “Thread deadlock ORDERREVERSAL lockorder: Calling spinlo...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

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 vulnerability has been resolved: NVMe: Fixed the failure in reconnection due to reserved tag allocation. We identified an issue in a production environment while using NVMe over RDMA. The reconnection of adminq failed indefinitely, even when the remote target an...

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: mptcp: avoid deadlock on fallback while reinjecting Jakub reported a MPTCP deadlock at the time of fallback: WARNING: possible recursive locking detected 6.18.0-rc7-virtme 1 Not tainted -------------------------------------------...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wake DMCUB before sending a command Why We can get hung up while trying to send commands when the DMCUB is not powered on. How For functions that execute within a DC context or DC lock, we can wrap the direct cal...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: phy: The register Phy ledtriggers operation occurs during the PHY probe, to avoid an AB-BA deadlock. An AB-BA deadlock occurs when both LEDsTRIGGERNETDEV and LEDTRIGGERPHY are enabled. c 1362.049207...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV” This fix reverts to commit 05703271c3cd “PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV”, which caused a deadlock by recursively takin...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md/raid5-cache: fixed a deadlock in r5lexitlog. The commit b13015af94cf “md/raid5-cache: Clear conf-log after finishing work” introduced a new problem: // The caller holds reconfigmutex r5lexitlog flushwork&log-disablewritebackwo...

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: migrate: corrected lock ordering for hugetlb file folio operations Syzbot has identified a deadlock analyzed by Lance Yang: 1 Task 5749: Holds foliolock, then attempts to acquire immaprwsem read lock. 2 Task 5754: Holds...

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 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: fmidi: fmidicomplete calling queuework When using USB MIDI, a lock attempt is made twice through a reentrant call to fmiditransmit, resulting in a deadlock. The issue is fixed by using queuework to schedule the inner...