CVE-2023-25527

NVIDIA DGX H100 BMC contains a vulnerability in the host KVM daemon, where an authenticated local attacker may cause corruption of kernel memory. A successful exploit of this vulnerability may lead to arbitrary kernel code execution, denial of service, escalation of privileges, information...

CVE-2023-25527

CVE-2023-25527 affects NVIDIA DGX H100 BMC’s host KVM daemon. A authenticated local attacker can corrupt kernel memory, enabling arbitrary kernel code execution, DoS, privilege escalation, information disclosure, and data tampering. Affected product/component: DGX H100 BMC KVM daemon. Root cause:...

USN-6383-1: Linux kernel vulnerabilities

Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information. CVE-2023-20588 It was discovered...

Important: Red Hat Security Advisory: virt:rhel and virt-devel:rhel security and bug fix update

An update for the virt:rhel and virt-devel:rhel modules 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...

Important: Red Hat Security Advisory: virt:rhel and virt-devel:rhel security update

An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. 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 ...

Important: virt:rhel and virt-devel:rhel security and bug fix update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the...

ALSA-2023:5264 Important: virt:rhel and virt-devel:rhel security and bug fix update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the...

CLSA-2023-1695046791 Fix of 7 CVEs

Bionic update: upstream stable patchset 2022-12-01 LP: 1998542 // CVE-2022-26373 - x86/speculation: Add RSB VM Exit protections Bionic update: upstream stable patchset 2022-12-01 LP: 1998542 - Revert "x86/cpu: Add a steppings field to struct x86cpuid" - x86/cpufeature: Add facility to check for m...

CLSA-2023-1695041288 Fix of 8 CVEs

CVE-url: https://ubuntu.com/security/CVE-2023-4622 - afunix: Fix null-ptr-deref in unixstreamsendpage. Jammy update: v5.15.105 upstream stable release LP: 2023230 // CVE-url: https://ubuntu.com/security/CVE-2022-4269 - net/sched: actmirred: better wording on protection against excessive stack...

AlmaLinux 9 : qemu-kvm (ALSA-2023:5094)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2023:5094 advisory. - A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections crosses a certa...

CVE-2023-4155

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...

CVE-2023-4155

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...

CVE-2023-2680

This CVE exists because of an incomplete fix for CVE-2021-3750. More specifically, the qemu-kvm package as released for Red Hat Enterprise Linux 9.1 via RHSA-2022:7967 included a version of qemu-kvm that was actually missing the fix for CVE-2021-3750...

CVE-2023-2680

This CVE exists because of an incomplete fix for CVE-2021-3750. More specifically, the qemu-kvm package as released for Red Hat Enterprise Linux 9.1 via RHSA-2022:7967 included a version of qemu-kvm that was actually missing the fix for CVE-2021-3750...

Design/Logic Flaw

This CVE exists because of an incomplete fix for CVE-2021-3750. More specifically, the qemu-kvm package as released for Red Hat Enterprise Linux 9.1 via RHSA-2022:7967 included a version of qemu-kvm that was actually missing the fix for CVE-2021-3750...

Race condition

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...

CVE-2023-2680

This CVE exists because of an incomplete fix for CVE-2021-3750. More specifically, the qemu-kvm package as released for Red Hat Enterprise Linux 9.1 via RHSA-2022:7967 included a version of qemu-kvm that was actually missing the fix for CVE-2021-3750...

CVE-2023-2680 Dma reentrancy issue (incomplete fix for cve-2021-3750)

This CVE exists because of an incomplete fix for CVE-2021-3750. More specifically, the qemu-kvm package as released for Red Hat Enterprise Linux 9.1 via RHSA-2022:7967 included a version of qemu-kvm that was actually missing the fix for CVE-2021-3750...

CVE-2023-2680

Mode C: CVE-2023-2680 arises from an incomplete fix for CVE-2021-3750 in qemu-kvm, specifically in the RHEL 9.1 package (RHSA-2022:7967). Astra/AlmaLinux advisories describe a DMA reentrancy issue in QEMU’s USB EHCI and NVMe/NVMEm device emulations that could cause use-after-free and host-denial ...

CVE-2023-2680

This CVE exists because of an incomplete fix for CVE-2021-3750. More specifically, the qemu-kvm package as released for Red Hat Enterprise Linux 9.1 via RHSA-2022:7967 included a version of qemu-kvm that was actually missing the fix for CVE-2021-3750...