cve-2023-31346-poc

Firmware Memory Leak The code here aims to demonstrate the memory leaks in guest messages headers and the CPUID request guest message. Prerequisites Install rustup. Install a Linux kernel with SEV-SNP host support. I used a kernel with my a few of own patches...

stop-zenbleed-win

Stopping Zenbleed CVE-2023-20593 on Windows The newly discovered Zenbleed vulnerability CVE-2023-20593 affects all Zen2 processors from AMD. Unfortunately, AMD will not provide microcode updates for many of its processors until November or December 2023. How to stay safe in the meantime? Luckily,...

kernel: AMD-SN-7061: Safe RET Interrupt Vulnerability

An attacker executing code on affected system could inject an interrupt at a precise moment to disrupt "Safe RET", the default Linux mitigation for speculative Return Overflow SRSO, which could potentially weaken that protection and may result in information disclosure...

Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2026_82806)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202682806 advisory. kernel: openvswitch: defer tunnel netdevput to RCU release CVE-2026-31678 kernel: ipv6: validate extension header length before copying to cmsg...

MiracleLinux 8 : kernel-4.18.0-553.173.1.el8_10 (AXSA:2026-2075:102)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-2075:102 advisory. kernel: openvswitch: defer tunnel netdevput to RCU release CVE-2026-31678 kernel: ipv6: validate extension header length before copying to cmsg...

Oracle Linux 8 : kernel (ELSA-2026-82807)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-82807 advisory. - drm/amdkfd: Add TLB flush after MES queue eviction/suspension Jocelyn Falempe RHEL-262108 CVE-2026-89811 - drm/amd/display: set newstream to NULL...

CVE-2026-79417

CVE-2026-79417 Proof-of-Concept PoC exploit for CVE-2026-79417, a local Denial-of-Service DoS vulnerability affecting Argus Monitor versions Where is a path to a signed ArgusMonitor.exe binary from an affected version of Argus Monitor. Building Dependencies OpenSSL 3.x or later MSYS2 UCRT64 1...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Handling of a null streamstatus in the planeschangedforexistingstream function. This commit adds a null check for streamstatus in the function planeschangedforexistingstream. Previously, the code assumed that...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A null check was added for toppipetoprogram in the commitplanesforstream function. This fix addresses a null pointer dereferencing issue in the commitplanesforstream function at line 4140. The issue could occur...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Updated the intermediate power state for SI. Updated the current state to the boot state during dpm initialization. During subsequent initialization, setpowerstate is called to transition to the final power state...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd: check num of link levels when update pcie param In the SR-IOV environment, the value of pcietable-numoflinklevels will be 0, and numoflevels - 1 will cause an array index out of bounds...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd/pmc: Detection when STB is unavailable Loading the amdpmc module with the option amdpmc enablestb=1 may result in the following messages in the kernel ring buffer: amdpmc AMDI0009:00: SMU cmd failed. err: 0xff...

Astra Linux – Vulnerability in Xen

Inappropriate x86 IOMMU timeout detection/handling: IOMMU processes commands that are issued in parallel with the operation of the CPUs that issue those commands. In the current implementation in Xen, asynchronous notifications of the completion of such commands are not used. Instead, the issuing...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a system hang that occurred during resume with a Thunderbolt monitor. Why This issue arises when using a Thunderbolt monitor and performing suspend or resume operations. During the resume procedure, the TBT...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1, and Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Added a null check before passing variables. Checked for null pointers before passing variables to functions. This fixes 3 NULLRETURNS issues reported by Coverity...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skips inactive planes within ModeSupportAndSystemConfiguration. Reason Coverity reported a memory issue involving illegal access attempts. How The inactive planes are skipped...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/amdnb: The function amdgetmmconfigrange uses rdmsrsafe, which should not be used without proper safeguards. Xen does not provide the MSRFAM10HMMIOCONFbase to all guests. This results in the following warning: Unchecked MSR...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Fixed a potential index out of bounds issue in the color transformation function. The issue could occur when the index ‘i’ exceeds the number of transfer function points TRANSFERFUNCPOINTS. The fix includes a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed the issue where the mmap write lock was not released. If the mmap write lock is acquired while draining a retry fault, the mmap write lock is not released because svmrangerestorepages calls mmapreadunlock before...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel before version 6.9, a trusted-to-non-trusted hypervisor can inject Virtual Interrupt 29 VC at any point in time and can trigger its handler. This affects AMD SEV-SNP and AMD SEV-ES...