Linux Distros Unpatched Vulnerability : CVE-2022-50819

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - udmabuf: Set ubuf-sg = NULL if the creation of sg table fails When userspace tries to map the dmabuf and if for some reason e.g. OOM the creation of the sg tabl...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992750)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992750 advisory. In the Linux kernel, the following vulnerability has been resolved: udmabuf: Set the DMA mask for the udmabuf device v2 If the DMA mask is not set explicitly, the...

Linux Distros Unpatched Vulnerability : CVE-2025-37803

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix a buf size overflow issue during udmabuf creation by casting sizelimitmb to u64...

Linux Distros Unpatched Vulnerability : CVE-2022-49983

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - udmabuf: Set the DMA mask for the udmabuf device v2 If the DMA mask is not set explicitly, the following warning occurs when the userspace tries to access the...

CVE-2022-49983

In the Linux kernel, the following vulnerability has been resolved: udmabuf: Set the DMA mask for the udmabuf device v2 If the DMA mask is not set explicitly, the following warning occurs when the userspace tries to access the dma-buf via the CPU as reported by syzbot here: WARNING: CPU: 1 PID:...

CVE-2021-47649 udmabuf: validate ubuf->pagecount

In the Linux kernel, the following vulnerability has been resolved: udmabuf: validate ubuf-pagecount Syzbot has reported GPF in sgallocappendtablefrompages. The problem was in ubuf-pages == ZEROPTR. ubuf-pagecount is calculated from arguments passed from user-space. If user creates udmabuf with...

CVE-2021-47649

In the Linux kernel, the following vulnerability has been resolved: udmabuf: validate ubuf-pagecount Syzbot has reported GPF in sgallocappendtablefrompages. The problem was in ubuf-pages == ZEROPTR. ubuf-pagecount is calculated from arguments passed from user-space. If user creates udmabuf with...

CVE-2024-56712

In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix memory leak on last exportudmabuf error path In exportudmabuf, if dmabuffd fails because the FD table is full, a dmabuf owning the udmabuf has already been created; but the error handling in udmabufcreate will tear...

CVE-2024-56544 udmabuf: change folios array from kmalloc to kvmalloc

In the Linux kernel, the following vulnerability has been resolved: udmabuf: change folios array from kmalloc to kvmalloc When PAGESIZE 4096, MAXPAGEORDER 10, 64bit machine, pagealloc only support 4MB. If above this, trigger this warn and return NULL. udmabuf can change size limit, if change it t...

CVE-2023-2008

A flaw was found in the Linux kernel's udmabuf device driver. The specific flaw exists within a fault handler. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an array. An attacker can leverage this vulnerability to...

GSD-2022-1002100 udmabuf: validate ubuf->pagecount

udmabuf: validate ubuf-pagecount This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.110 by commit b267a8118c2b171bf7d67b90ed64154eeab9fae0, i...