CVE-2026-63856

A flaw was found in the Linux kernel's AMDGPU Video Core Next VCN 2.0 component. This vulnerability arises because the VCN encoder and decoder rings do not properly support 64-bit user fence writes. An attacker could exploit this by submitting command sequences with 64-bit user fences, leading to...

CVE-2026-63848

A flaw was found in the Linux kernel's AMD GPU JPEG driver. This vulnerability occurs because the JPEG rings do not support 64-bit user fence writes. An attacker could exploit this by submitting commands with 64-bit user fences, leading to the rejection of command submissions and potentially a...

PT-2026-63256

Name of the Vulnerable Software and Affected Versions libarchive affected versions not specified Description A signed integer overflow occurs in the ZIP writer. Within the archive write zip header function in archive write set format zip.c, when ZIP encryption is active and the entry file size is...

CVE-2026-63850

A flaw was found in the Linux kernel's AMDGPU Video Core Next VCN component. The VCN encoder and decoder rings, specifically version 5.0.0, do not correctly support 64-bit user fence writes. This can lead to a denial of service, as the kernel will reject command submissions that attempt to use...

CVE-2026-63841

A flaw was found in the Linux kernel's amdgpu graphics driver, specifically within the JPEG component. This vulnerability occurs because the JPEG rings do not correctly support 64-bit user fence writes. A local attacker could exploit this by submitting command requests with 64-bit user fences,...

CVE-2026-63853

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v4.0 enc ring VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit fd852c048b46f9825e904a4f3f4538fe9d8827...

CVE-2026-63843

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set nouserfence for JPEG v4.0.5 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit f05d0a4f21fc720116d6e238f23308b199891058...

CVE-2026-63845

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set nouserfence for JPEG v4.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit 8d0cac9478a3f046279c657d6a2545de49ae675a...

CVE-2026-63846

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set nouserfence for JPEG v3.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit 4d7d774f100efb5089c86a1fb8c5bf47c63fc9ef...

CVE-2026-63850

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v5.0.0 enc ring VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit...

EUVD-2026-45540

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v2.0 enc/dec rings VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit...

CVE-2026-63856

In the Linux kernel, CVE-2026-63856 affects the AMDGPU VCN subsystem. The issue stems from not supporting 64-bit user fence writes in VCN v2.0 encoder/decoder rings, leading to rejection of CS submissions that use user fences. A fix was applied by setting no_user_fence for VCN v2.0 enc/dec rings ...

CVE-2026-63854

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v3.0 enc/dec rings VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit...

EUVD-2026-45538

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v3.0 enc/dec rings VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit...

CVE-2026-63852

Summary: The CVE-2026-63852 entry relates to the Linux kernel DRM/AMDGPU VCN engine. The vulnerability arises because VCN encoder and decoder rings do not support 64-bit user fence writes, leading to rejected CS submissions when user fences are used. The root cause is identified as the change to ...

CVE-2026-63852 drm/amdgpu/vcn: set no_user_fence for VCN v4.0.3 enc ring

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v4.0.3 enc ring VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit...

EUVD-2026-45535

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v4.0.5 enc ring VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit...

CVE-2026-63851

The CVE-2026-63851 entry documents a Linux kernel vulnerability in drm/amdgpu/vcn where VCN encoder/decoder rings (v4.0.5 enc ring) do not support 64-bit user fence writes. Consequently, the kernel now rejects CS submissions with user fences to mitigate unsafe fence usage. Root cause: 64-bit user...

CVE-2026-63851 drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 enc ring

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v4.0.5 enc ring VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit...

CVE-2026-63849

CVE-2026-63849 affects Linux kernel DRM/AMDGPU VCN: the VCN encoder/decoder rings (v5.0.1 enc ring) do not support 64-bit user fence writes, and submissions using user fences are rejected. This is caused by set_no_user_fence for the VCN enc ring, fixed via a cherry-pick in the referenced commit. ...