838 matches found
CVE-2023-31356
CVE-2023-31356: Incomplete memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially harming data integrity. Connected advisories (MiracleLinux AXSA:2024-8883/8884) reference this CVE among affected kernel/firmware components (linux-firmware pac...
CVE-2023-31356
Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting in a loss of data integrity...
CVE-2023-20584
IOMMU improperly handles certain special address ranges with invalid device table entries DTEs, which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity...
CVE-2023-20584
IOMMU improperly handles certain special address ranges with invalid device table entries DTEs, which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity...
CVE-2023-20584
IOMMU improperly handles certain special address ranges with invalid device table entries DTEs, which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity...
CVE-2023-20584
CVE-2023-20584 involves AMD IOMMU handling of certain address ranges with invalid DTEs. The issue can allow a local privileged attacker with a compromised Hypervisor to induce DTE faults and bypass SEV-SNP RMP checks, potentially compromising guest integrity. Connected advisories note affected ke...
USN-6957-1: Linux kernel (Oracle) vulnerabilities
Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in control of the hypervisor could use this to...
PT-2024-11957 · Iommu +9 · Iommu +9
Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided descriptions. Description: The issue concerns the improper handling of certain special address ranges with invalid device table entries DTEs by the IOMMU. This may allow an attack...
PT-2024-12280 · Amd +8 · Sev Firmware +8
Name of the Vulnerable Software and Affected Versions: SEV firmware affected versions not specified Description: The issue is related to incomplete system memory cleanup in SEV firmware, which could allow a privileged attacker to corrupt guest private memory. This potentially results in a loss of...
Ubuntu 20.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-6957-1)
The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6957-1 advisory. Benedict Schlter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and...
Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6956-1)
The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6956-1 advisory. Benedict Schlter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC...
Ubuntu: Security Advisory (USN-6957-1)
The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...
AMD Server Vulnerabilities – August 2024
Bulletin ID: AMD-SB-3003 Potential Impact: Varies by CVE, see descriptions below Severity: Varies by CVE, see descriptions below Summary Potential vulnerabilities in the AMD Secure Processor ASP, AMD Secure Encrypted Virtualization SEV, AMD Secure Encrypted Virtualization – Secure Nested Paging...
Ubuntu 24.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6952-2)
"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6952-2 advisory. Benedict Schlter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and...
USN-6956-1: Linux kernel (Azure) vulnerabilities
Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in control of the hypervisor could use this to...
USN-6952-1: Linux kernel vulnerabilities
Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in control of the hypervisor could use this to...
Ubuntu 24.04 LTS : Linux kernel vulnerabilities (USN-6952-1)
"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6952-1 advisory. Benedict Schlter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and...
CVE-2024-21978
Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data corruption...