USN-8179-2 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8184-1: Linux kernel (Real-time) vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8184-1 linux-realtime, linux-realtime-6.8 vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8177-1 linux, linux-realtime vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007470)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007470 advisory. In the Linux kernel, the following vulnerability has been resolved: iommu/omap: Fix buffer overflow in debugfs There are two issues here: 1 The len variable needs to...

UBUNTU-CVE-2023-20585

Insufficient checks of the RMP on host buffer access in IOMMU may allow an attacker with privileges and a compromised hypervisor to trigger an out of bounds condition without RMP checks, resulting in a potential loss of confidential guest integrity...

USN-8179-1: Linux kernel vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

AMD: CVE-2023-20585 IOMMU Write Buffer Vulnerability

The vulnerability assigned to this CVE could lead to corruption of guest encrypted memory. The mitigation for this vulnerability requires a Windows update. This CVE is being documented in the Security Update Guide to announce that the latest builds of Windows enable the mitigation and provide...

HPESBHF05036 rev.1 - Certain HPE ProLiant AMD DL/XL Servers Using Certain AMD EPYC Processors, AMD-SB-3016: IOMMU Write Buffer Vulnerability, Loss of Confidential Guest Integrity Vulnerability

Potential Security Impact: Local: Buffer Overflow SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE ProLiant DL145 Gen11 - Prior to 1.7008-07-2025 HPE ProLiant DL325 Gen11 Server - Prior to 2.7008-07-2025 HPE ProLiant DL345 Gen11 Server - Prior to 2.7008-07-2025 HPE ProLiant DL3...

HPESBHF05040 rev.1 - Certain HPE SimpliVity Servers Using Certain AMD EPYC Processors, AMD-SB-3016: IOMMU Write Buffer Vulnerability, Loss of Confidential Guest Integrity Vulnerability

Potential Security Impact: Local: Buffer Overflow SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE SimpliVity 325 Gen11 - Prior to SimpliVity Gen11 Support Pack v20260116 CVSS Scores: | CVE | CVSS Vector | Base Score | | --- | --- | --- | | CVE-2025-20585 |...

IOMMU Write Buffer Vulnerability

CVE Details Refer to Glossary for explanation of terms CVE| CVE Description| CVSS Score ---|---|--- CVE-2023-20585| Insufficient checks of the RMP on host buffer access in IOMMU may allow an attacker with privileges and a compromised hypervisor to trigger an out of bounds condition without RMP...

OESA-2026-1863 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in freenidlist As reported, on-disk footer.ino and footer.nid is the same and out-of-range, let's add sanity check on...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006689)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006689 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/i915/gvt: fix vgpu debugfs clean in remove Check carefully on root debugfs available when...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006592)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006592 advisory. In the Linux kernel, the following vulnerability has been resolved: iommu: Fix error unwind in iommugroupalloc If either iommugroupgratefile fails then the iommugrou...

New GPUBreach Attack Enables Full CPU Privilege Escalation via GDDR6 Bit-Flips

New academic research has identified multiple RowHammer attacks against high-performance graphics processing units GPUs that could be exploited to escalate privileges and, in some cases, even take full control of a host. The efforts have been codenamed GPUBreach , GDDRHammer, and GeForge. GPUBrea...

Linux Distros Unpatched Vulnerability : CVE-2026-23429

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: iommu/sva: Fix crash in iommusvaunbinddevice domain-mm-iommumm can be freed by...

SUSE CVE-2026-23429

In the Linux kernel, the following vulnerability has been resolved: iommu/sva: Fix crash in iommusvaunbinddevice domain-mm-iommumm can be freed by iommudomainfree: iommudomainfree mmdrop mmdrop mmpasiddrop After iommudomainfree returns, accessing domain-mm-iommumm may dereference a freed mm...

CVE-2026-23429

In the Linux kernel, the following vulnerability has been resolved: iommu/sva: Fix crash in iommusvaunbinddevice domain-mm-iommumm can be freed by iommudomainfree: iommudomainfree mmdrop mmdrop mmpasiddrop After iommudomainfree returns, accessing domain-mm-iommumm may dereference a freed mm...

CVE-2026-23429

In the Linux kernel, the following vulnerability has been resolved: iommu/sva: Fix crash in iommusvaunbinddevice domain-mm-iommumm can be freed by iommudomainfree: iommudomainfree mmdrop mmdrop mmpasiddrop After iommudomainfree returns, accessing domain-mm-iommumm may dereference a freed mm...

UBUNTU-CVE-2026-23429

In the Linux kernel, the following vulnerability has been resolved: iommu/sva: Fix crash in iommusvaunbinddevice domain-mm-iommumm can be freed by iommudomainfree: iommudomainfree mmdrop mmdrop mmpasiddrop After iommudomainfree returns, accessing domain-mm-iommumm may dereference a freed mm...