cve-2023-20768

三星 Galaxy M32 上的 CVE-2023-20768 —— 可达性研究 摘要。 CVE-2023-20768 是 MediaTek ION 分配器中的类型混淆漏洞（CWE-843）。我检查了它在运行 2022 年 7 月固件的三星 SM-M325F（Galaxy M32，Helio G80）上是否实际可利用。存在易受攻击的代码，并且我证明了当由非特权进程触发时，它确实会在此设备上运行。我未能将其武器化。ioctl 路径受到输入验证的限制，而包含真正越界读取的路径只会处理真正的 ION 缓冲区，因为对 dmabufops...

CVE-2026-23789

An issue was discovered in MFC in Samsung Mobile Processor and Wearable Processor Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 2600, 1680, W920, W930, and W1000. A double-free vulnerability in the Exynos MFC encoder driver due to improper cleanup of dmabuf references...

EUVD-2026-77153

An issue was discovered in MFC in Samsung Mobile Processor and Wearable Processor Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 2600, 1680, W920, W930, and W1000. A double-free vulnerability in the Exynos MFC encoder driver due to improper cleanup of dmabuf references...

CVE-2026-23789

CVE-2026-23789 is a double-free vulnerability in the Exynos MFC encoder driver across Samsung Mobile and Wearable Processors (Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 2600, 1680, W920, W930, W1000). The root cause is improper cleanup of dma_buf references during err...

CVE-2026-23789

An issue was discovered in MFC in Samsung Mobile Processor and Wearable Processor Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 2600, 1680, W920, W930, and W1000. A double-free vulnerability in the Exynos MFC encoder driver due to improper cleanup of dmabuf references...

CVE-2026-23789

An issue was discovered in MFC in Samsung Mobile Processor and Wearable Processor Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 2600, 1680, W920, W930, and W1000. A double-free vulnerability in the Exynos MFC encoder driver due to improper cleanup of dmabuf references...

SUSE CVE-2026-80888

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: drop dmabuf reference on foreign-fd prime import ttmprimefdtohandle returns -ENOSYS when the imported fd's dmabuf-ops do not match the ttmobjectdevice's ops, but does so without releasing the reference acquired by...

CVE-2026-80888

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: drop dmabuf reference on foreign-fd prime import ttmprimefdtohandle returns -ENOSYS when the imported fd's dmabuf-ops do not match the ttmobjectdevice's ops, but does so without releasing the reference acquired by...

AZL-99684 CVE-2026-80888 affecting package kernel for versions less than 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: drop dmabuf reference on foreign-fd prime import ttmprimefdtohandle returns -ENOSYS when the imported fd's dmabuf-ops do not match the ttmobjectdevice's ops, but does so without releasing the reference acquired by...

CVE-2026-80888 drm/vmwgfx: drop dma_buf reference on foreign-fd prime import

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: drop dmabuf reference on foreign-fd prime import ttmprimefdtohandle returns -ENOSYS when the imported fd's dmabuf-ops do not match the ttmobjectdevice's ops, but does so without releasing the reference acquired by...

EUVD-2026-71638

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: drop dmabuf reference on foreign-fd prime import ttmprimefdtohandle returns -ENOSYS when the imported fd's dmabuf-ops do not match the ttmobjectdevice's ops, but does so without releasing the reference acquired by...

CVE-2026-80888

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: drop dmabuf reference on foreign-fd prime import ttmprimefdtohandle returns -ENOSYS when the imported fd's dmabuf-ops do not match the ttmobjectdevice's ops, but does so without releasing the reference acquired by...

CVE-2026-80888 drm/vmwgfx: drop dma_buf reference on foreign-fd prime import

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: drop dmabuf reference on foreign-fd prime import ttmprimefdtohandle returns -ENOSYS when the imported fd's dmabuf-ops do not match the ttmobjectdevice's ops, but does so without releasing the reference acquired by...

CVE-2026-80888: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: drop dmabuf reference on foreign-fd prime import ttmprimefdtohandle returns -ENOSYS when the imported fd's dmabuf-ops do not match the ttmobjectdevice's ops, but does so without releasing the reference acquired by...

Linux Distros Unpatched Vulnerability : CVE-2026-80888

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/vmwgfx: drop dmabuf reference on foreign-fd prime import ttmprimefdtohandle returns -ENOSYS when the imported fd's dmabuf-ops do not match the...

UBUNTU-CVE-2026-46201

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix dma-buf attachment leak in xegemprimeimport When xedmabufinitobj fails, the attachment from dmabufdynamicattach is not detached. Add dmabufdetach before returning the error. Note: we cannot use goto outerr here becaus...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the xegemprimeimport function in the drm xe framework. This function fails when xedmabufinitobj...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix the dmabuf object leak in fastrpcmaplookup In fastrpcmaplookup, the dmabufget function is called to obtain a reference to the dmabuf object for comparison purposes. However, this reference is never released whe...

Azure Linux 3.0 Security Update: kernel (CVE-2024-46709)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-46709 advisory. - In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix prime with external...

CVE-2025-68252

CVE-2025-68252: In the Linux kernel misc: fastrpc component, a reference to a dma_buf obtained via dma_buf_get in fastrpc_map_lookup was not released on all return paths, causing a dma_buf memory leak. The fix adds dma_buf_put before returning (ensuring the temporary reference is released whether...