cve-2024-21978-poc

SEV Firmware Vulnerability This repo contains an exploit for a vulnerability in the SEV firmware. The exploit allows decrypting arbitrary memory of a running SEV-SNP guest. Tested on version 1.55.16 latest as of the time of writing. Root Cause The nvpaddr field of the SEVINITEX command can be use...

cve-2024-21980-poc

SEV Firmware Vulnerability This repo contains an exploit for a vulnerability in the SEV firmware. The exploit allows decrypting arbitrary memory of an SEV-SNP guest after it's been decommissioned. Tested on version 1.55.16 latest as of time of writing. Root Cause The SEV firmware has a table call...

Astra Linux – Vulnerability in amd64-microcode

Incomplete system memory cleanup in the SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting in a loss of data integrity...

Rocky Linux 8 [CIQ] Security Update: iwl100-firmware / iwl1000-firmware / iwl105-firmware / etc Multiple Vulnerabilities (crlsa-2024_7481)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20247481 advisory. kernel: hw:amd:IOMMU improperly handles certain special address leading to a loss of guest integrity CVE-2023-20584 kernel: hw: amd:Incomplete system memor...

AlmaLinux 9.2 [TuxCare] Security Update: iwl100-firmware / iwl1000-firmware / iwl105-firmware / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1740470712)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1740470712 advisory. - IOMMU improperly handles certain special address ranges with invalid device table entries DTEs, which may allow an attacker with...

SEV Firmware Arbitrary Code Execution

Affected Products and Mitigation AMD recommends updating to the mitigated versions below as a defense-in-depth measure. AMD EPYC™ Series Processors Product| Mitigation| Mitigation Release Date| Platform Info Bit ---|---|---|--- AMD EPYC™ 7003 Series Processors| MilanPI 1.0.0.J1| 2025-12-02|...

Linux kernel Cryptographic Accelerator Heap Buffer Overflow DoS

The vulnerability of the sevfirmwareshutdown function in the drivers/crypto/ccp/sev-dev.c file of the Linux kernel cryptographic accelerator driver involves the assignment of a null pointer. Exploiting this vulnerability could allow an attacker, operating remotely, to compromise the...

Linux Distros Unpatched Vulnerability : CVE-2025-29952

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper Initialization within the AMD Secure Encrypted Virtualization SEV firmware can allow an admin privileged attacker to corrupt RMP covered memory,...

Linux Distros Unpatched Vulnerability : CVE-2025-29946

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality...

Linux Distros Unpatched Vulnerability : CVE-2025-0031

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A use after free in the SEV firmware could allow a malicous hypervisor to activate a migrated guest with the SINGLESOCKET policy on a different socket than the...

CVE-2025-29946

Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality and integrity in guest memory...

CVE-2025-0031

A use after free in the SEV firmware could allow a malicous hypervisor to activate a migrated guest with the SINGLESOCKET policy on a different socket than the migration agent potentially resulting in loss of integrity...

UBUNTU-CVE-2025-0031

A use after free in the SEV firmware could allow a malicous hypervisor to activate a migrated guest with the SINGLESOCKET policy on a different socket than the migration agent potentially resulting in loss of integrity...

UBUNTU-CVE-2025-29946

Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality and integrity in guest memory...

CVE-2025-0031

A use after free in the SEV firmware could allow a malicous hypervisor to activate a migrated guest with the SINGLESOCKET policy on a different socket than the migration agent potentially resulting in loss of integrity...

CVE-2025-29946

Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality and integrity in guest memory...

CVE-2025-0031

A use after free in the SEV firmware could allow a malicous hypervisor to activate a migrated guest with the SINGLESOCKET policy on a different socket than the migration agent potentially resulting in loss of integrity...

CVE-2025-0031

CVE-2025-0031 describes a use-after-free in the AMD SEV firmware that could allow a malicious hypervisor to activate a migrated guest with the SINGLE_SOCKET policy on a different socket than the migration agent, potentially resulting in loss of integrity. Affected component: SEV firmware. Root ca...

CVE-2025-0031

A use after free in the SEV firmware could allow a malicous hypervisor to activate a migrated guest with the SINGLESOCKET policy on a different socket than the migration agent potentially resulting in loss of integrity...

CVE-2025-48517

CVE-2025-48517 concerns AMD SEV firmware where insufficient granularity of access control could let a privileged attacker with a malicious hypervisor create a SEV-ES guest using an ASID reserved for SEV-SNP guests, potentially causing partial confidentiality loss. Reported across multiple sources...