Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fixed the incorrect use of pciforeachdmaalias for non-PCI devices. Previously, the domaincontextclear function incorrectly called pciforeachdmaalias to set up context entries for non-PCI devices. This could lead to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: ntbnetdev: The ntbnetdevrxhandler function should now be modified to call netifrx instead of calling ntbnetdevrxhandler. The following message is emitted when using the idxd DSA dmaengine as the data transfer mechanism for...

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 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 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: serial: pch: Fixed a reference count leak in pchrequestdma. According to the comments on pcigetslot, it returns a pcidevice with its reference count increased. The caller must decrement the reference count by calling pcidevput...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fixed a possible issue where the descriptor completion was performed incorrectly in llistabortdesc. At the end of this function, d represents the traversal cursor of flist, but the code actually completes the...

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 – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: intelth: msu: Fix for vmalloced buffers After committing the change f5ff79fddf0e “dma-mapping: remove CONFIGDMAREMAP”, there is a possibility that DMA buffers may be allocated using vmalloc, which can affect the memory mapping...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed DMA mapping leaks During the reallocation of RX buffers, new DMA mappings are created for those buffers. Reproduction steps: While doing the following: Do For i=0; i=8160; i=i+32 Do ethtool -G enp130s0f0 rx $i tx $...

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, Linux

In the Linux kernel, the following vulnerability has been resolved: ntbnetdev: Use devkfreeskbany in interrupt context. TX/RX callback handlers ntbnetdevtxhandler, ntbnetdevrxhandler can be called in interrupt context via the DMA framework after the respective DMA operations are completed...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amd/amdgpu/amdgpucs: fixed the reference count leak of a dmafence object. This issue occurs in an error path within amdgpucsfencetohandleioctl. When info-in.what falls under the default case, the function simply returns...

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: net: systemport: a potential memory leak has been fixed in bcmsysportxmit. The function bcmsysportxmit returns NETDEVTXOK without freeing the skb in case of a failure in dmamapsingle. Add devkfreeskb to address this issue...

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

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fixed a memory leak in initcreditreturn. When dmaalloccoherent fails to allocate dd-crbasei.va, initcreditreturn should deallocate dd-crbase and dd-crbasei that were allocated earlier. Otherwise, those resources will nev...

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 6.1

In the Linux kernel, the following vulnerability has been resolved: dma-direct: Leak pages on dmasetdecrypted failure In TDX, it is possible for the untrusted host to cause setmemoryencrypted or setmemorydecrypted to fail, resulting in an error and the return of decrypted/membered pages. Callers...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: atlantic: Fixed the DMA mapping for PTP HWTS rings. The function aqringhwtsrxalloc maps additional AQCFGRXDSDEF bytes for PTP HWTS rings. However, the generic aqringfree function does not take this into account. To fix th...

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: wifi: b43: Stop/wake correct queue in DMA Tx path when QoS is disabled When QoS is disabled, the queue priority value will not map to the correct ieee80211 queue since there is only one queue. Stop/wake queue 0 when QoS is disabl...

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: ALSA: sh: aica: reordering cleanup operations to avoid UAF bugs The dreamcastcard-timer could schedule the spudmawork, and the spudmawork could also trigger the dreamcastcard-timer. When the sndpcmsubstream is closing, the...