Moderate: Red Hat Security Advisory: qemu-kvm security update

An update for qemu-kvm is now available for Red Hat Enterprise Linux 9.4 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 available for...

RHEL 9 : qemu-kvm (RHSA-2026:3165)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:3165 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the...

RHEL 9 : qemu-kvm (RHSA-2026:3077)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:3077 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the...

The vulnerability of the SEV microprogramming software components of AMD graphics processors allows attackers to compromise the integrity of protected information.

The vulnerability of the SEV microprogramming software for AMD graphics processors is related to improper prevention of bit modification of the lock bits. Exploiting this vulnerability can allow an attacker to compromise the integrity of the protected information...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: RDMA/restrack: Release MR restrack when delete CVE-2022-50822 In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject duplicate device on updates CVE-2025-38678 In the Linux...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-112 (ALASKERNEL-5.10-2026-112)

The version of kernel installed on the remote host is prior to 5.10.247-246.989. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2026-112 advisory. In the Linux kernel, the following vulnerability has been resolved: RDMA/restrack: Release MR restrack...

CVE-2026-0665

An off-by-one error was found in QEMU's KVM Xen guest support. A malicious guest could use this flaw to trigger out-of-bounds heap accesses in the QEMU process via the emulated Xen physdev hypercall interface, leading to a denial of service or potential memory corruption...

CVE-2025-14876

CVE-2025-14876 affects the virtio-crypto device in QEMU. The AKCIPHER path has a missing length limit, causing unbounded memory allocation and potential host DoS (QEMU process termination) via a malicious guest. Affected products include qemu/kvm; advisories from SUSE openSUSE and other vendors r...

CVE-2025-14876 Qemu-kvm: unbounded allocation in virtio-crypto

A flaw was found in the virtio-crypto device of QEMU. A malicious guest operating system can exploit a missing length limit in the AKCIPHER path, leading to uncontrolled memory allocation. This can result in a denial of service DoS on the host system by causing the QEMU process to terminate...

CVE-2026-23215

In the Linux kernel, the following vulnerability has been resolved: x86/vmware: Fix hypercall clobbers Fedora QA reported the following panic: BUG: unable to handle page fault for address: 0000000040003e54 PF: supervisor write access in kernel mode PF: errorcode0x0002 - not-present page Hardware...

The vulnerability of the Secure Encrypted Virtualization (SEV) technology of AMD’s microprogramming processor allows attackers to compromise the confidentiality of protected information.

The vulnerability of the Secure Encrypted Virtualization SEV technology of AMD microprocessors is related to deficiencies in access control. Exploiting this vulnerability could allow attackers to compromise the confidentiality of the protected information...

The vulnerability of the Secure Encrypted Virtualization (SEV) technology of AMD’s microprogramming processor allows attackers to compromise the confidentiality of protected information.

The vulnerability of the Secure Encrypted Virtualization SEV technology of AMD microprocessors is related to deficiencies in access control. Exploiting this vulnerability could allow attackers to compromise the confidentiality of the protected information...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject duplicate device on updates CVE-2025-38678 In the Linux kernel, the following vulnerability has been resolved: tcpmetrics: use dstdevnetrcu CVE-2025-40075 In the Linux kernel, the...

USN-8028-4 linux-aws-fips, linux-fips vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt...

USN-8028-3 linux-realtime, linux-raspi-realtime vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt...

Moderate: Red Hat Security Advisory: edk2 security update

An update for edk2 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 from the C...

PT-2026-20212

URGENT: Ubuntu 24.04 LTS kernel updates USN-8028-3 are live. Critical patches for AMD CPU data leaks CVE-2024-36351 and SEV-SNP guest memory overwrite flaws. Read more: 👉 https://t.co/ChC0mzFiGU Security https://t.co/LSj2IFaKnN...

Control Flow Reconstruction using HPCs

Affected Products and Mitigation Performance counters are not protected by Secure Encrypted Virtualization SEV, SEV-ES, or SEV-SNP. AMD has defined support for performance counter virtualization in APM Vol 2, section 15.39. Performance Monitoring Counters PMC virtualization, available on AMD...

PT-2026-43718

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The reserve unaccepted function incorrectly calculates the size of the memblock reservation for the unaccepted memory table. It aligns the table size but fails to account for instances...

CVE-2025-0029

Improper handling of error condition during host-induced faults can allow a local high-privileged attack to selectively drop guest DMA writes, potentially resulting in a loss of SEV-SNP guest memory integrity...