Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from an unstable dmabuf field that could lead to a null pointer dereference...

CLSA-2025-1755681456 kernel: Fix of 2 CVEs

can: bcm: Fix UAF in bcmprocshow CVE-2023-52922 - udmabuf: fix a buf size overflow issue during udmabuf creation CVE-2025-37803...

DEBIAN-CVE-2025-38595

In the Linux kernel, the following vulnerability has been resolved: xen: fix UAF in dmabufexpfrompages dmabuffd fixes; no preferences regarding the tree it goes through - up to xen folks As soon as we'd inserted a file reference into descriptor table, another thread could close it. That's fine fo...

CVE-2025-38595 xen: fix UAF in dmabuf_exp_from_pages()

In the Linux kernel, the following vulnerability has been resolved: xen: fix UAF in dmabufexpfrompages dmabuffd fixes; no preferences regarding the tree it goes through - up to xen folks As soon as we'd inserted a file reference into descriptor table, another thread could close it. That's fine fo...

CVE-2025-38595 xen: fix UAF in dmabuf_exp_from_pages()

In the Linux kernel, the following vulnerability has been resolved: xen: fix UAF in dmabufexpfrompages dmabuffd fixes; no preferences regarding the tree it goes through - up to xen folks As soon as we'd inserted a file reference into descriptor table, another thread could close it. That's fine fo...

Important: kernel-livepatch-4.14.355-277.647

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: dma-buf/dma-resv: check if the new fence is really later CVE-2022-49935 Affected Packages: kernel-livepatch-4.14.355-277.647 Issue Correction: Please ensure you have live patching enabled. Run yum update...

Important: kernel-livepatch-5.10.238-234.956

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: dma-buf/dma-resv: check if the new fence is really later CVE-2022-49935 Affected Packages: kernel-livepatch-5.10.238-234.956 Issue Correction: Please ensure you have live patching enabled. Run yum update...

Linux Distros Unpatched Vulnerability : CVE-2024-46709

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: drm/vmwgfx: Fix prime with external buffers Make sure that for external buffers mapping goes...

Linux Distros Unpatched Vulnerability : CVE-2021-47477

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - comedi: dt9812: fix DMA buffers on stack USB transfer buffers are typically mapped for DMA and must not be allocated on the stack or transfers will fail. Alloca...

AZL-70510 CVE-2025-38449 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/gem: Acquire references on GEM handles for framebuffers A GEM handle can be released while the GEM buffer object is attached to a DRM framebuffer. This leads to the release of the dma-buf backing the buffer object, if any. 1...

CVE-2025-38449

CVE-2025-38449 affects the Linux kernel DRM/GEM subsystem. The issue arises when a GEM handle is released while the GEM buffer object remains attached to a DRM framebuffer, which can lead to releasing the dma-buf backing the buffer. Subsequent mode-setting operations may trigger a segmentation fa...

CVE-2025-38449 drm/gem: Acquire references on GEM handles for framebuffers

In the Linux kernel, the following vulnerability has been resolved: drm/gem: Acquire references on GEM handles for framebuffers A GEM handle can be released while the GEM buffer object is attached to a DRM framebuffer. This leads to the release of the dma-buf backing the buffer object, if any. 1...

PT-2025-34435

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A flaw exists in the Linux kernel related to a reversion of a previous commit f83a9b8c7fd0557b0c50784bfdc1bbe9140c9bf8 concerning the handling of dma buf within drm gem object. The dma...

PT-2025-34434

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A revert was implemented to address an issue where the dma buf field in the drm gem object structure became unstable during the object instance's lifetime. Specifically, the field coul...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netsched: Flush gsoskb list too during -change CVE-2025-37992 In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: fix race condition in unaccepted memory handling CVE-2025-38008 In th...

CVE-2022-50142

In the Linux kernel, the following vulnerability has been resolved: intelth: msu: Fix vmalloced buffers After commit f5ff79fddf0e "dma-mapping: remove CONFIGDMAREMAP" there's a chance of DMA buffer getting allocated via vmalloc, which messes up the mmapping code: RIP: mscmmapfault intelthmsu Call...

CVE-2022-50142

CVE-2022-50142 : In the Linux kernel, the intel_th: msu component was fixed to account for DMA buffers that may be allocated via vmalloc() after the patch set removing CONFIG_DMA_REMAP, which could disrupt the mmapping code during faults (msc_mmap_fault). The described issue arises from a possibl...

CVE-2022-50142 intel_th: msu: Fix vmalloced buffers

In the Linux kernel, the following vulnerability has been resolved: intelth: msu: Fix vmalloced buffers After commit f5ff79fddf0e "dma-mapping: remove CONFIGDMAREMAP" there's a chance of DMA buffer getting allocated via vmalloc, which messes up the mmapping code: RIP: mscmmapfault intelthmsu Call...

PT-2025-26068 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, specifically in the intel th: msu component. The issue arose after a commit that removed CONFIG DMA REMAP, which led to a chance ...

CVE-2024-46974

Software installed and run as a non-privileged user may conduct improper read/write operations on imported/exported DMA buffers...