Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm: Move page table sync declarations to linux/pgtable.h During our internal testing, we began observing intermittent boot failures when the machine uses 4-level paging and has a large amount of persistent memory: BUG: Unable to...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Check the device memory pointer before using it. Add a NULL check before accessing device memory to prevent a crash if the dev-dm allocation in mlx5initonce fails...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a race condition between rename operations and directory logging. We have a race condition between a rename operation and directory inode logging. If this race condition occurs, and the system crashes or loses power...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Restored the context entry setup order for aliased devices. The commit 2031c469f816 “iommu/vt-d: Added support for static identity domains” changed the context entry setup during domain attachment from a set-and-check...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: The inode marked as bad after removing a file name fails. The reproducer uses a file0 on an ntfs3 file system with a corrupted ilink. When renaming a file, the inode of file0 is marked as bad because the file name canno...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: drm/hisilicon/hibmc: fixed the issue where hibmc loaded failed. When hibmc loaded failed, the driver used hibmcunload to free the resource, but the mutexes in mode.config were not initialized, which would access a NULL pointer...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iouring/futex: Ensure that iofutexwait properly cleans up in case of failure. The iofutexdata is allocated upfront and assigned to the iokiocb asyncdata field. However, the request is not marked with REQFASYNCDATA at that point...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: trace/fgraph: The warning caused by the missing unregister notifier has been fixed. This warning was triggered during testing on v6.16: notifier Callback ftracesuspendnotifiercall is already registered WARNING: CPU: 2, PID: 86, i...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: hisiaccvfiopci: fixed the XQE DMA address error. The DMA addresses of EQE and AEQE are incorrect after migration, resulting in failures in the guest kernel-mode encryption services. By comparing the definitions of hardware...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: usb: gadget: Fixed a use-after-free in compositedevcleanup. 1. In func configfscompositebind - compositeosdescreqprepare: If kmalloc fails, the pointer cdev-osdescreq will be freed but will not be set to NULL. As a result, the...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/mlx5: Fixed error handling when the firmware fails and the RQ is destroyed. When the RQ is destroyed, if the firmware command fails—which is the last resource to be destroyed—some SW resources are already cleaned,...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: perform proper folio cleanup when cowfilerange fails BUG When testing with COW fixup marked as BUGON this involves the new pinuserpages change, which should not result in new out-of-band dirty pages, I encountered a crash...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/sched: Abort tcmodifyqdisc if parent class does not exist Lion’s patch 1 uncovered an ancient bug in the qdisc API. Whenever a user creates or modifies a qdisc with another qdisc as its parent, the qdisc API will detect that...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mptcp: Race conditions between subflow failures and additional subflow creations. We have race conditions similar to those addressed by the previous patch, between subflow failures and additional subflow creations. However, these...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fbdev: Fixed doregisterframebuffer to prevent null-ptr-deref in fbvideomodetovar. If fbaddvideomode in doregisterframebuffer fails to allocate memory for fbvideomode, it will later lead to a null-ptr dereference in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm/vmscan: Fixed handling of hwpoisoned large folio entries in shrinkfoliolist. In shrinkfoliolist, the hwpoisoned folio might be a large folio, which cannot be handled by unmappoisonedfolio. For THP, trytounmapone must be called...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: backlight: pm8941: Add a NULL check in wledconfigure. The devmkasprintf function returns NULL when memory allocation fails. Currently, wledconfigure does not check for this case, which results in a NULL pointer being dereferenced...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: remoteproc: core: Releasing rproc-cleantable after rprocattach fails When rproc-state = RPROCDETACHED is attached to a remote processor through rprocattach, if rprochandleresources returns an error, the clean table should be...

thermal: core: call put_device() only after device_register() fails

...

The vulnerability of the user_cluster_connect() function in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the userclusterconnect function in the Linux operating system is related to the repeated release of memory. Exploiting this vulnerability can allow an attacker to cause a service failure...