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: 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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xsk: Fixed corrupted packets for XDPSHAREDUMEM. A issue was addressed in the XDPSHAREDUMEM mode, along with the aligned mode, where packets were corrupted for the second and any subsequent sockets bound to the same umem. In other...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: A potential null-ptr-deref occurred 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 check to f...

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 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Harden depth calculation functions A vulnerability was identified where the operating system can pass in U32MAX as the size of SQ/RQ/SRQ. This can lead to integer overflow and truncation of the SQ/RQ/SRQ depth values...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: spi: spi-fsl-dspi: A resource leak was fixed in the error handling path. The call dspirequestdma should be undone by a call to dspireleasedma in the error handling path of the probe function, as already done in the remove functio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: Intel-thc-hid: Added a safety check for reading the DMA buffer. A readiness check for the DMA buffer is added before reading it, to avoid unexpected NULL pointer accesses...

Astra Linux – Vulnerability in Qemu

A reentrancy issue related to DMA operations led to a use-after-free error in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service...

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 host operating system crash or privilege escalation. This issue arises because a backport...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath12k – Fix for kernel crash during resume Currently, during resume, the QMI target memory is not handled properly. This results in a kernel crash if DMA remap is not supported: BUG: Incorrect page state in process...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Ethernet: Aeroflex – Fix for a potential skb leak in grethinitrings The grethinitrings function does not free the newly allocated skb when dmamappingerror returns an error. Therefore, adding devkfreeskb is necessary to fix this...

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 same 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. Thi...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Media: PCI: cx23885: Fixed error handling in cx23885initdev When the driver fails to call dmasetmask, the driver will encounter the following error: 55.853884 BUG: KASAN: Use-after-free in processremoveddriver+0x3c/0x240 55.85448...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dma-debug: prevents an error message from causing runtime problems. For some drivers that use the DMA API, this error message can occur several million times per second. This can lead to excessive use of the kernel’s printk buffe...

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 – 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 – 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 Memory Protection Area request processing fails, the newly created endpoint unlinks from the listening endpoint and becomes ready to be dropped. This...

Astra Linux – Vulnerability found in Linux 5.10, 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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nvmet: moving async event work off nvmet-wq For the target function nvmetctrlfree, the variable ctrl-asynceventwork is flushed. If nvmetctrlfree runs on nvmet-wq, the flush re-enters the workqueue completion for the same worker. ...

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...