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: RDMA: hfi1: Fixed a potential divide-by-zero issue in findhwthreadmask. The function divides the number of online CPUs by numcoresiblings, and then checks if the result is zero. This could lead to a divide-by-zero runtime error...

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: ASoC: stm32: spdifrx: fixed the issue of releasing the DMA channel in stm32spdifrxRemove. In case of an error when requesting the ctrlchan DMA channel, the pointer to ctrlchan is not null. Therefore, releasing the DMA channel lea...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/rds: fixed the possible null dereference of cp The cp parameter may be null. Calling cp-cpconn would result in a null dereference. Simon Horman adds: Analysis: cp is a parameter of rdsrdmamap, and it is not reassigned. The...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fbdev: vt8500lcdfb: fix missing dmafreecoherent The fbi-fb.screenbuffer is allocated using dmaalloccoherent, but it is not freed if an error path is encountered...

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

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fixed handling of connection failures In cases where immediate MPA Media Plane API request processing fails, the newly created endpoint unlinks from the listening endpoint and becomes ready to be dropped. This special...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mmc: jz4740: Apply DMA engine limits to maximum segment size Follow the approach used in other DMA-enabled MMC host drivers see host/mmci.c, and limit the maximum segment size based on the capabilities of the DMA engine. This is...

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: Wifi: ath10k – Fix for the dmafreecoherent pointer dmaalloccoherent allocates a DMA-mapped buffer and stores the addresses in XXXunaligned fields. These addresses should be reused when freeing the buffer, rather than using the...

Centry

Centry 警告：这是实验性软件。很可能包含错误。 更新 如果你已经安装了 Centry，请运行 git pull 更新到最新版本。最新更新使其在抵御重放攻击方面更加安全。 简介 Centry 是一个紧急按钮（panic button），旨在保护用户免受冷启动攻击、直接内存访问攻击以及其他实时系统威胁。Centry 在部署了全盘加密且没有交换分区/页面文件的系统上最为有效。紧急功能可以通过 GUI 或网络请求（通过浏览器、智能手机等）触发。收到紧急指令后，Centry 将尝试从内存中移除敏感密钥，安全地覆写 RAM，然后强制关机。 功能 用户友好的 GUI 界面...

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

In the Linux kernel, the following vulnerability has been resolved: RDMA/srpt: Support for specifying the srptserviceguid parameter. The current behavior is that setting this parameter while loading the ibsrpt kernel module triggers a kernel crash. BUG: Kernel NULL pointer dereferencing, address:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: SPI: sun6i – Fixing the race condition between DMA RX transfer completion and RX FIFO drain. Previously, the transfer-completion interrupt would immediately drain the RX FIFO to read any remaining data in the FIFO into the RX...

Astra Linux – Vulnerability in Qemu

A heap buffer overflow was discovered in the floppy disk emulator of QEMU up to version 6.0.0 inclusive. This issue could occur in the fdctrltransferhandler function in the hw/block/fdc.c file, during the processing of DMA read data transfers from the floppy drive to the guest system. A privilege...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: swiotlb: Fixed the issue of information leakage due to DMAFROMDEVICE. The problem I’m addressing was discovered during the LTP test covering cve-2018-1000204. A brief description of what happens is as follows: 1 The test case sen...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: Net: lantiq – fixed memory corruption in the RX ring. In a situation where memory allocation or DMA mapping fails, an invalid address may be programmed into the descriptor. This can lead to memory corruption. If memory allocation...

Astra Linux – Vulnerability in Xen

A issue was discovered in Xen through version 4.11.x, allowing users of x86 Intel HVM guest operating systems to obtain unintended read/write DMA access. This could potentially lead to a denial of service causing the host operating system to crash or result in privilege escalation. This issue...

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: dma: xilinxdpdma: Fixing locking issues There are several places where either chan-lock or chan-vchan.lock was not held. Appropriate locking measures were added. This fixes lockdep warnings such as: 31.077578 ------------ Cut...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: A potential null-ptr-deref issue was fixed in passestablish. If getepfromtid fails to find a non-NULL value for ep, ep will be dereferenced later, regardless of whether it is empty. This patch adds a simple sanity che...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: safexcel – Added error handling for dmamapsg calls. The macro dmamapsg function may return 0 in case of an error. This patch enables checks in case of a macro failure and ensures that previously mapped buffers are unmappe...

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: mtk-sd: Preventing memory corruption due to DMA mapping failures If msdcpreparedata fails to map the DMA region, the request is not prepared for data reception. However, msdcstartdata proceeds with the DMA operation using the...

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

In the Linux kernel, the following vulnerability has been resolved: mmc: mmci: stm32: fixed the warning regarding overlapping mappings in the DMA API. Enabling the CONFIGDMAAPIDEBUGSG option results in the following warning: DMA-API: mmci-pl18x 48220000.mmc: cacheline tracking EEXIST; overlapping...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: spi: bcm2835: bcm2835spihandleerr: Fixed the issue of NULL pointer dereferencing for non-DMA transfers. If an IRQ-based transfer times out, the bcm2835spihandleerr function is called. Since commit 1513ceee70f2 “spi: bcm2835: Drop...