CVE-2024-21980

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity...

CVE-2023-31355

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest...

CVE-2024-21980

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity...

CVE-2024-21980

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity...

CVE-2024-21980

The CVE-2024-21980 issue is in AMD SNP firmware (SEV-SNP). The root cause is improper restriction of write operations in SNP firmware, which could allow a local malicious hypervisor to overwrite a guest VM’s memory or the UMC seed, leading to loss of confidentiality and integrity. Documents consi...

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...

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...

CVE-2024-21978

CVE-2024-21978 involves improper input validation in SEV-SNP, enabling a malicious hypervisor with Local access and low complexity to read or overwrite guest memory, risking data leakage and data corruption. Reports tie this to AMD SEV-SNP firmware; advisories (AMD SB) indicate the issue is addre...

CVE-2023-31355

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest...

CVE-2023-31355

CVE-2023-31355 is associated with SNP firmware write restrictions; a malicious hypervisor could overwrite a guest’s UMC seed and potentially read memory from a decommissioned guest. Connected advisories (Fedora Linux-firmware updates around 2025-03-11) provide concrete remediation: update linux-f...

CVE-2023-31355

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest...

PT-2024-19135 · Amd +1 · Amd Epyc Embedded 9003 Snp Firmware +1

Name of the Vulnerable Software and Affected Versions: AMD EPYC Embedded 9003 SNP Firmware affected versions not specified Description: The issue is related to improper restriction of write operations in SNP firmware, which could allow a malicious hypervisor to potentially overwrite a guest's...

Ubuntu: Security Advisory (USN-6921-2)

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...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6923-1)

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-6923-1 advisory. Benedict Schlter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC...

Ubuntu 24.04 LTS : Linux kernel vulnerabilities (USN-6921-1)

The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6921-1 advisory. Benedict Schlter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and...

USN-6927-1: Linux kernel vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 Gui-Dong Han discovered that the...

USN-6927-1 linux-gcp-5.15 vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 Gui-Dong Han discovered that the...

USN-6923-2: 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...

USN-6921-2: 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: Security Advisory (USN-6923-1)

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...