CVE-2026-105112

The Nezha monitoring agent, versions 1.8.0 before 2.3.13 , is vulnerable to a lock-order inversion within the UpdateGroup and DeleteGroup functions. This flaw allows authenticated non-admin users to trigger a deadlock in the alerting subsystem . By concurrently calling the notification-group and ...

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

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Drop the channel lock before queuing buffers. Ensure that read and write locks for the channel are not acquired consecutively by dropping the read lock from parsexferevent. This allows a callback provided to 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 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 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 – 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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Tracing: Fixed a potential deadlock in CPU hotplug with osnoise. The following sequence may lead to a deadlock in CPU hotplug: task1 task2 task3 ----- ----- ----- mutexlock&interfacelock CPU GOING OFFLINE cpuswritelock;...

CVE-2026-80859

In the Linux kernel, the following vulnerability has been resolved: fuse: fix missing barrier when checking io-uring readiness fuseblockalloc reads fch-initialized and then fch-iouring. fch-iouring is set before fch-initialized, ordered by the smpwmb in fusechansetintialized, but fuseblockalloc h...

CVE-2026-80859 fuse: fix missing barrier when checking io-uring readiness

In the Linux kernel, the following vulnerability has been resolved: fuse: fix missing barrier when checking io-uring readiness fuseblockalloc reads fch-initialized and then fch-iouring. fch-iouring is set before fch-initialized, ordered by the smpwmb in fusechansetintialized, but fuseblockalloc h...

EUVD-2026-71309

In the Linux kernel, the following vulnerability has been resolved: fuse: fix missing barrier when checking io-uring readiness fuseblockalloc reads fch-initialized and then fch-iouring. fch-iouring is set before fch-initialized, ordered by the smpwmb in fusechansetintialized, but fuseblockalloc h...

CVE-2026-80859

CVE-2026-80859 affects the Linux kernel FUSE (Filesystem in Userspace) subsystem. The root cause is a missing read memory barrier (smp_rmb()) in fuse_block_alloc(). The function reads fch->initialized followed by fch->io_uring, but lacks the barrier needed to pair with the smp_wmb() in fuse...

PT-2026-85737

In the Linux kernel, the following vulnerability has been resolved: fuse: fix missing barrier when checking io-uring readiness fuse block alloc reads fch-initialized and then fch-io uring. fch-io uring is set before fch-initialized, ordered by the smp wmb in fuse chan set intialized, but fuse blo...

EUVD-2026-58948

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix mreclock ABBA deadlock in rename ntfsfilefsync, ntfsdirfsync and ntfswriteinode lock an inode's mreclock before taking the mreclock of its parent directory. ntfsrename takes oldni-mreclock and olddirni-mreclock before...

SUSE CVE-2026-68347

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix IRQ unsafe locking in gdom allocation Lockdep complains: 259.410489 ===================================================== 259.417287 WARNING: HARDIRQ-safe - HARDIRQ-unsafe lock order detected 259.424667...

CVE-2026-68347

A flaw was found in the Linux kernel's AMD IOMMU Input/Output Memory Management Unit driver. This vulnerability is caused by an unsafe lock order during the allocation of graphics domains gdom and within the IOMMUDESTROY free path. This issue could lead to a system crash or a denial of service Do...

UBUNTU-CVE-2026-68347

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix IRQ unsafe locking in gdom allocation Lockdep complains: 259.410489 ===================================================== 259.417287 WARNING: HARDIRQ-safe - HARDIRQ-unsafe lock order detected 259.424667...

CVE-2026-68137

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free in x25killbyneigh x25killbyneigh walks the global X.25 socket list looking for sockets attached to a terminating neighbour. x25listlock protects list membership while the lookup is in progress, but it...

CVE-2026-64401: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: smb: client: resolve SWN tcon from live registrations cifsswnnotify looks up a witness registration by id under cifsswnregidrmutex, drops the mutex, and then uses the registration's cached tcon pointer. That pointer is not a...

PT-2026-64622

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the SMB client. The cifs swn notify function retrieves a witness registration by ID using the cifs swnreg idr mutex mutex, releases the mutex, and...

kernel-rt security, bug fix, and enhancement update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...