Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv/memtrace: A out-of-bounds issue in memtrace mmap has been fixed. The memtrace mmap issue contained a out-of-bounds vulnerability. This patch addresses this issue by ensuring that the requested mapping region size...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mapletree: Fixed the MASTATEPREALLOC flag in maspreallocate. The preallocation flag is temporarily cleared when explicit requests for allocations are made. Existing allocations are already counted against the request through...

Astra Linux – Vulnerability in Qemu

A reentrancy issue related to DMA was discovered in the USB EHCI controller emulation of QEMU. EHCI does not verify whether the Buffer Pointer overlaps with its MMIO region when transferring USB packets. Crafted content may be written to the controller’s registers, potentially triggering...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fixed the issue with the ib block iterator counter overflow. When registering a new DMA MR after selecting the best aligned page size for it, we iterate over the given sglist to split each entry into smaller, aligned D...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Firewire: Fix for memory leak in the payload of the request subaction to the IEC 61883-1 FCP region. This patch applies to Linux kernel versions v2.6.33 or later. For the request subaction to the IEC 61883-1 FCP region, the Linux...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cxl/mem: Fixation of the shutdown order Ira reports that removing the cxlmockmem causes a crash with the following error message: BUG: Kernel NULL pointer dereferencing, address: 0000000000000044 .. RIP: 0010:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pcmcia: A NULL pointer dereferencing issue was fixed in iodynfindioregion. In iodynfindioregion, pcmciamakeresource is assigned to res and used in pciBusallocResource. There is a dereferencing of res in pciBusallocResource, which...

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

In the Linux kernel, the following vulnerability has been resolved: fpga: region: adding the owner module and taking its reference count The current implementation of the fpga region assumes that the low-level module registers a driver for the parent device and uses its owner pointer to take 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: mlxsw: spectrumacltcam: Fixed a possible use-after-free during rehash. The rehash process delays the migration of filters from one region to another based on the number of available credits. If the number of credits is...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: A WARN was issued during the deregmr operation for DM type. Memory regions of the DM type do not have an associated umem. In the flow from mlx5ibderegmr to mlx5freeprivdescs, the code incorrectly takes the wrong branch...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Disassociate vcpus from the redistributor region during teardown When tearing down a redistributor region, make sure that there are no dangling pointers to that region stored in the vcpus...

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

In the Linux kernel, the following vulnerability has been resolved: Resource: Fix for regionintersects vs addmemorydrivermanaged On a system with CXL memory, the resource tree /proc/iomem related to CXL memory may look like this. 490000000-50fffffff: CXL Window 0 490000000-50fffffff: region0...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Viawdt: fixed a critical boot hang caused by unnamed resource allocation. The VIA watchdog driver uses allocateresource to reserve a MMIO region for the watchdog control register. However, the allocated resource was not given a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: Fixed the issue where corrupted pointer deletion occurred in cases of region creation failures. In cases where region creation fails in ipcdevlinkcreateregion, the previously created regions are deleted using a...

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 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed the issue where the smbd connection was lost and destroyed when the MR allocation failed. If the MR allocation fails, the smbdDestroy function will return NULL, causing the connection information to be leaked. We need...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A malicious user could exploit this flaw to crash the QEMU process on the host...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm mirror log: The bitsetsize is rounded up to BITSPERLONG. The code in dm-log rounds up bitsetsize to 32 bits. Then, it uses findnextzerobitle on the allocated region. findnextzerobitle accesses the bitmap using unsigned long...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM – Flushing pages under kvm-lock to fix a Use-After-Free error in svmregisterencregion It is necessary to flush the cached pages in svmregisterencregion before releasing kvm-lock to address use-after-free issues. In such...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Watchdog: cpu5wdt.c: Fixed a use-after-free bug caused by cpu5wdttrigger. When the cpu5wdt module is being removed, the original code uses deltimer to deactivate the timer. If the timer handler is still running, deltimer may not ...