polychrome-rs

Polychrome This is a example on how to embed a payload into a compute shader. The payload is encrypted and decrypted on the GPU. This is not by any means a complete implementation it misses crucial OPSEC considerations. Usage Generate a payload using your preferred method i used the classic...

Astra Linux – Vulnerability in virglrenderer

A NULL pointer dereferencing in the vrendrenderer.c file of virglrenderer during versions 0.8.1 allows attackers to cause a denial of service by using commands that attempt to launch a grid without first providing a Compute Shader CS...

Linux Distros Unpatched Vulnerability : CVE-2026-80887

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user- supplied shader window against its backing buffer with...

SUSE CVE-2026-80887

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

CVE-2026-80887

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

AZL-99603 CVE-2026-80887 affecting package kernel for versions less than 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

CVE-2026-80887 drm/vmwgfx: use check_add_overflow for shader size+offset bound

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

CVE-2026-80887

CVE-2026-80887 is an integer overflow vulnerability in the Linux kernel 's drm/vmwgfx (VMware SVGA virtual GPU) driver. In vmw_shader_define(), the bounds check (u64)buffer->tbo.base.size guest_memory_offset and forwarded to host SVGA shader-create commands, potentially enabling out-of-bounds ...

CVE-2026-80887 drm/vmwgfx: use check_add_overflow for shader size+offset bound

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

CVE-2026-80887

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

EUVD-2026-71637

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

PT-2026-86178

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An integer overflow occurs in the vmw shader define function when validating a user-supplied shader window against its backing buffer. Because the offset variable in drm vmw shader creat...

CVE-2026-80887: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: virglrenderer (UTSA-2026-093021)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-093021 advisory. A NULL pointer dereference in vrendrenderer.c in virglrenderer through 0.8.1 allows attackers to cause a denial of service via commands that attempt to launch a grid...

drm/vc4: Prevent shader BO mappings from becoming writable

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SUSE CVE-2026-68276

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx: fix cleaner shader IB buffer overflow The cleaner shader sysfs path allocates a 16-dword 64 byte IB but incorrectly fills alignmask + 1 dwords. On GFX rings alignmask is 0xff, so the loop wrote 256 dwords into a...

SUSE CVE-2026-68445

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Prevent shader BO mappings from becoming writable vc4gemobjectmmap rejects a writable mapping of a validated shader BO, but leaves VMMAYWRITE set. Userspace can map the BO read-only and then turn it writable with mprotec...

SUSE CVE-2026-68446

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate vmwsurfacemetadata::arraysize This field comes from userspace and should be validated against specific limits depending on which Shader Model SM is available...

CVE-2026-68445

A flaw was found in the Linux kernel's drm/vc4 component. This vulnerability allows a local user to bypass security validation for shader code. By manipulating memory permissions, an attacker could modify shader instructions after they have been deemed safe, potentially leading to unauthorized co...

DEBIAN-CVE-2026-68445

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Prevent shader BO mappings from becoming writable vc4gemobjectmmap rejects a writable mapping of a validated shader BO, but leaves VMMAYWRITE set. Userspace can map the BO read-only and then turn it writable with mprotec...