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...

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...

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...

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...

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|...

The vulnerability of the __sev_firmware_shutdown() function in the drivers/crypto/ccp/sev-dev.c driver of the Linux kernel’s cryptographic accelerator module allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

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-2025-0031

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...

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-2025-29952

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,...

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

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...

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...

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...