Security update for kubevirt, virt-api-container, virt-controller-container, virt-exportproxy-container, virt-exportserver-container, virt-handler-container, virt-launcher-container, virt-libguestfs-t

This update for kubevirt, virt-api-container, virt-controller-container, virt-exportproxy-container, virt-exportserver-container, virt-handler-container, virt-launcher-container, virt-libguestfs-tools-container, virt-operator-container, virt-pr-helper-container fixes the following issues: Update ...

CVE-2024-55881 KVM: x86: Play nice with protected guests in complete_hypercall_exit()

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Play nice with protected guests in completehypercallexit Use is64bithypercall instead of is64bitmode to detect a 64-bit hypercall when completing said hypercall. For guests with protected state, e.g. SEV-ES and SEV-SNP,...

CVE-2024-55881: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Play nice with protected guests in completehypercallexit Use is64bithypercall instead of is64bitmode to detect a 64-bit hypercall when completing said hypercall. For guests with protected state, e.g. SEV-ES and SEV-SNP,...

dbs-arch (>=0.2.2, <=0.2.3), dbs-boot (>=0.3.0, <=0.4.0) +8 more potentially affected by unknown CVE via kvm-ioctls (>=0.10.0, <=0.18.0)

kvm-ioctls CARGO version =0.10.0, =0.2.2, =0.3.0, =0.1.0, =0.1.0, =0.2.0, =0.1.0, =0.0.29, =0.1.0, =2.0.2 Source cves: unknown CVE Source advisory: OSV:GHSA-3QX8-RV27-J6GP...

SUSE 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

A flaw was found in the AMD firmware. This vulnerability allows a malicious hypervisor to read or overwrite guest memory, potentially leading to data leakage or data corruption. Mitigation Mitigation for this issue is either not available or the currently available options do not meet the Red Hat...

Undermining Integrity Features of SEV-SNP with Memory Aliasing

AMD ID: AMD-SB-3015 Potential Impact: Loss of Integrity Severity: Medium Summary A team of researchers has reported to AMD that it may be possible to modify serial presence detect SPD metadata to make an attached memory module appear larger than it is, potentially allowing an attacker to overwrit...

QEMU Root Shell Access Vulnerability

AMD ID: AMD-SB-3012 Potential Impact: Guest OS Root Shell Access from Malicious Host Severity: N/A Summary Researchers from the University of Tokyo shared with AMD a paper titled “A Root Shell Access Vulnerability in QEMU for AMD SEV-SNP Confidential Virtual Machines.” The research paper reports...

PT-2025-3141

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.74 Description The issue is related to the KVM: x86 component in the Linux kernel, specifically with the complete hypercall exit function. It affects guests with protected state, such as SEV-ES and SEV-SNP. T...

Security Bulletin: IBM Technical Support Appliance - possible access to stale data

Summary Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests. Vulnerability Details CVEID:CVE-2023-31346 DESCRIPTION: AMD SEV-SNP Firmware could allow a local authenticated attacker to obtain sensitive information, caused by the failu...

OESA-2024-2367 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL pointer check for kzalloc Why & How Check return pointer of kzalloc before using it.CVE-2024-42122 In the Linux kernel, the following...

AlmaLinux 8 : linux-firmware (ALSA-2024:7481)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:7481 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 memo...

AlmaLinux 9 : linux-firmware (ALSA-2024:7484)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:7484 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 memo...

Moderate: Red Hat Security Advisory: linux-firmware security update

An update for linux-firmware is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

Important: Red Hat Security Advisory: linux-firmware security update

An update for linux-firmware is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

Moderate: Red Hat Security Advisory: linux-firmware security update

An update for linux-firmware is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is availab...

kernel: hw:amd: Incomplete system memory cleanup in SEV firmware corrupt guest private memory

A flaw was found in hw in the SNP-SEV firmware. This flaw could allow a privileged attacker to corrupt a guest's private memory, potentially resulting in the loss of data integrity of the guest...

kernel: hw:amd:IOMMU improperly handles certain special address leading to a loss of guest integrity

A flaw was found in the way AMD IOMMU 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...

Low: Red Hat Security Advisory: linux-firmware security update

An update for linux-firmware is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...

ALSA-2024:7484 Moderate: linux-firmware security update

The linux-firmware packages contain all of the firmware files that are required by various devices to operate. Security Fixes: kernel: hw:amd:IOMMU improperly handles certain special address leading to a loss of guest integrity CVE-2023-20584 kernel: hw: amd:Incomplete system memory cleanup in SE...