Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/i915: mark requests for GuC virtual engines to avoid use-after-free. References to i915requests may be trapped by the user space within a syncfile or dmabuf dma-resv and held indefinitely across different processes. To counte...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: accel/qaic: The integer overflow checks in mapuserpages have been cleaned up. The encodedma function includes some validations for intrans-size. However, it would be clearer to move these checks to findandmapuserpages. encoded...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Fixed a race condition in the DMA ring dequeue process The HCI DMA dequeue path hcidmadequeuexfer may be invoked for multiple transfers that time out at approximately the same time. However, this function is no...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/panthor: Fix for dma-fence safe access rules Commit 506aa8b02a8d6 “dma-fence: Add safe access helpers and document the rules” details the dma-fence safe access rules. The most common issue is that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: caam – fixed an overflow issue when dealing with long HMAC keys. When a key that is longer than the block size is provided, it is copied and then hashed into the actual key. The memory allocated for the copy needs to be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvmem: zynqmpnvmem: Fixed the buffer size in DMA and memcpy. The buffer size used in DMA allocation and memcpy is incorrect. This can lead to undersized DMA buffer accesses and potential memory corruption. Use the correct buff...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: iavf: Fixed error handling related to adminq. iavfallocasqbufs/iavfallocarqbufs allocate memory for VF mailbox using dmaalloccoherent. DMA regions for both ASQ and ARQ are freed in case an error occurs during the configuration...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: lan966x: Fixed issues related to use-after-free and leaks in lan966xfdmareload. When lan966xfdmareload fails to allocate new RX buffers, the restore path restarts DMA using old descriptors whose pages have already been...

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

In the Linux kernel, the following vulnerability has been resolved: PCI: switchtec: Fixed a crash occurring in stdevrelease after an unexpected hot removal. A hot removal of a PCI device can occur while stdev-cdev is still held open. The call to stdevrelease happens during close or exit, well aft...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Perform lockless command completion in the abort path When adding or removing controllers, the following call trace was observed: WARNING: CPU: 3 PID: 623596 at kernel/dma/mapping.c:532 dmafree attrs+0x33/0x50 CPU:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ptdma: A check for a null descriptor is performed before calling ptcmdcallback. This issue resolves a panic that can occur on AMD systems, typically during host shutdown, after the PTDMA driver has been exercised. The...

Astra Linux – Vulnerability in Qemu

A vulnerability in the lsi53c895a device affects the latest version of QEMU. A DMA-MMIO reentrancy problem may lead to memory corruption issues, such as stack overflow or use-after-free errors...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-edma: HDMA: Add sync read before starting the DMA transfer in remote setup The linked list elements and pointers are not stored in the same memory as the HDMA controller register. If the doorbell register is toggled...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: pci: tw68: Fixed the nullptrderef bug in the buf prepare and finish steps. When the driver calls tw68riscbuffer to prepare the buffer, the function call dmaalloccoherent may fail, resulting in an empty buffer buf-cpu. Late...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom-adm: fix wrong sizeof config in slaveconfig The issue involved a corrupted slaveconfig function that incorrectly compared peripheralsize with the size of the config pointer, rather than the size of the config...

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

In the Linux kernel, the following vulnerability has been resolved: spi: qup: Do not skip cleanup in the error path of the remove function. Returning early in the remove callback of a platform driver is incorrect. In this case, the DMA resources are not released during the error path. This issue ...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm: Fixed GEM free for imported dma-bufs Imported dma-bufs also have obj-resv != &obj-resv. Therefore, we should check this condition in addition to checking flags for handling the NOSHARE case. Fixed the issue reported...

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

In the Linux kernel, the following vulnerability has been resolved: dma-debug: Do not call dmaentryalloccheckleak under freeentrieslock. dmaentryalloccheckleak calls into printk, which outputs to the serial console qcom geni. It also acquires port-lock under freeentrieslock. This involves a rever...

Astra Linux – Vulnerability in Qemu

A reachable assertion issue was detected in the USB EHCI emulation code of QEMU. This issue can occur during the processing of USB requests due to improper handling of the DMA memory map. A malicious privileged user within the guest environment may exploit this flaw to send invalid USB requests,...