CVE-2024-40986

A vulnerability was found in dmaengine in the Linux kernel. This issue was resolved by fixing data synchronization in the xdmachannelisr function. The update ensures the vchan lock is acquired before accessing xdma-stoprequest, preventing race conditions during interrupt handling in XDMA channels...

CVE-2024-40970

A vulnerability was found in dw-axi-dmac in the Linux kernel and has been resolved to prevent an overrun of the hwdesc array. This issue occurred when using three descriptors, each comprising three segments, resulting in nine allocated descriptors. Mitigation Mitigation for this issue is either n...

DEBIAN-CVE-2022-48853

In the Linux kernel, the following vulnerability has been resolved: swiotlb: fix info leak with DMAFROMDEVICE The problem I'm addressing was discovered by the LTP test covering cve-2018-1000204. A short description of what happens follows: 1 The test case issues a command code 00 TEST UNIT READY...

DEBIAN-CVE-2022-48821

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: avoid double fput on failed usercopy If the copy back to userland fails for the FASTRPCIOCTLALLOCDMABUFF ioctl, we shouldn't assume that 'buf-dmabuf' is still valid. In fact, dmabuffd called fdinstall before, i.e...

CVE-2022-48797

In the Linux kernel, the following vulnerability has been resolved: mm: don't try to NUMA-migrate COW pages that have other uses Oded Gabbay reports that enabling NUMA balancing causes corruption with his Gaudi accelerator test load: "All the details are in the bug, but the bottom line is that...

UBUNTU-CVE-2022-48821

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: avoid double fput on failed usercopy If the copy back to userland fails for the FASTRPCIOCTLALLOCDMABUFF ioctl, we shouldn't assume that 'buf-dmabuf' is still valid. In fact, dmabuffd called fdinstall before, i.e...

UBUNTU-CVE-2022-48774

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ptdma: Fix the error handling path in ptcoreinit In order to free resources correctly in the error handling path of ptcoreinit, 2 goto's have to be switched. Otherwise, some resources will leak and we will try to relea...

CVE-2022-48797 mm: don't try to NUMA-migrate COW pages that have other uses

In the Linux kernel, the following vulnerability has been resolved: mm: don't try to NUMA-migrate COW pages that have other uses Oded Gabbay reports that enabling NUMA balancing causes corruption with his Gaudi accelerator test load: "All the details are in the bug, but the bottom line is that...

CVE-2022-48797 mm: don't try to NUMA-migrate COW pages that have other uses

In the Linux kernel, the following vulnerability has been resolved: mm: don't try to NUMA-migrate COW pages that have other uses Oded Gabbay reports that enabling NUMA balancing causes corruption with his Gaudi accelerator test load: "All the details are in the bug, but the bottom line is that...

CVE-2022-48797

CVE-2022-48797: Linux kernel vulnerability where NUMA balancing could affect COW page writability. Root cause: change_pte_range() tests page_mapcount(page) to enable NUMA faults, which is nonsensical; patch fixes to use page_count(). Oded Gabbay’s report linked a Gaudi accelerator workload; apply...

Ubuntu 22.04 LTS : Linux kernel vulnerabilities (USN-6895-2)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6895-2 advisory. It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An...

USN-6898-1: Linux kernel vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 Gui-Dong Han discovered that the...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6898-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6898-1 advisory. Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointe...

CVE-2024-40979

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix kernel crash during resume Currently during resume, QMI target memory is not properly handled, resulting in kernel crash in case DMA remap is not supported: BUG: Bad page state in process kworker/u16:54 pfn:36e8...

CVE-2024-40970

In the Linux kernel, the following vulnerability has been resolved: Avoid hwdesc array overrun in dw-axi-dmac I have a use case where nrbuffers = 3 and in which each descriptor is composed by 3 segments, resulting in the DMA channel descsallocated to be 9. Since axidescput handles the hwdesc...

CVE-2024-40927

In the Linux kernel, the following vulnerability has been resolved: xhci: Handle TD clearing for multiple streams case When multiple streams are in use, multiple TDs might be in flight when an endpoint is stopped. We need to issue a Set TR Dequeue Pointer for each, to ensure everything is reset...

CVE-2024-40970

In the Linux kernel, the following vulnerability has been resolved: Avoid hwdesc array overrun in dw-axi-dmac I have a use case where nrbuffers = 3 and in which each descriptor is composed by 3 segments, resulting in the DMA channel descsallocated to be 9. Since axidescput handles the hwdesc...

UBUNTU-CVE-2024-40923

In the Linux kernel, the following vulnerability has been resolved: vmxnet3: disable rx data ring on dma allocation failure When vmxnet3rqcreate fails to allocate memory for rq-dataring.base, the subsequent call to vmxnet3rqdestroyallrxdataring does not reset rq-dataring.descsize for the data rin...

CVE-2024-40979 wifi: ath12k: fix kernel crash during resume

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix kernel crash during resume Currently during resume, QMI target memory is not properly handled, resulting in kernel crash in case DMA remap is not supported: BUG: Bad page state in process kworker/u16:54 pfn:36e8...

CVE-2024-40979

CVE-2024-40979 describes a Linux kernel issue in the ath12k QMI memory handling during resume. When the module loads, firmware requests large memory segments; if DMA remap is not supported, initial allocations fail and a second attempt uses small segments that succeed. On resume, the driver again...