Linux Kernel Security Vulnerabilities

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 the Linux kernel that stems from the drm amdgpu driver not validating the doorbelloffset boundary in user queue creation, which could lead to...

CVE-2026-31766: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate doorbelloffset in user queue creation amdgpuuserqgetdoorbellindex passes the user-provided doorbelloffset to amdgpudoorbellindexonbar without bounds checking. An arbitrarily large doorbelloffset can cause the...

PT-2026-36401

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The amdgpu userq get doorbell index function passes a user-provided doorbell offset to amdgpu doorbell index on bar without performing bounds checking. An excessively large doorbell offs...

Novell Client 4.91 SP4 nwfs.sys Local Privilege Escalation

This module exploits a flaw in the nwfs.sys driver to overwrite data in kernel space. The corruption occurs while handling ioctl requests with code 0x1438BB, where a 0x00000009 dword is written to an arbitrary address. An entry within the HalDispatchTable is overwritten in order to execute...