CVE-2026-43477

In the Linux kernel, the following vulnerability has been resolved: drm/i915/vrr: Configure VRR timings after enabling TRANSDDIFUNCCTL Apparently ICL may hang with an MCE if we write TRANSVRRVMAX/FLIPLINE before enabling TRANSDDIFUNCCTL. Personally I was only able to reproduce a hang on an Dell X...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: mm: Prevent poison consumption when splitting THP When performing memory error injection on a THP Transparent Huge Page mapped to user space on an x86 server, the kernel panics with the following trace. The expected behavior woul...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fixed the issue where an unrecoverable MCE call to the async handler from the NMI context could cause problems. The machine check handler is not considered part of the NMI mechanism on 64s architectures. The early...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-011186)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011186 advisory. In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: don't delete error page from pagecache This change is very similar to the change that...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-013254)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013254 advisory. In the Linux kernel, the following vulnerability has been resolved: x86/MCE/AMD: Use an u64 for bankmap Thee maximum number of MCA banks is 64 MAXNRBANKS, see...

Towards Remote Attestation of Microarchitectural Attacks: The Case of Rowhammer

Microarchitectural vulnerabilities increasingly undermine the assumption that hardware can be treated as a reliable root of trust. Prevention mechanisms often lag behind evolving attack techniques, leaving deployed systems unable to assume continued trustworthiness. We propose a shift from...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005635)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005635 advisory. In the Linux kernel, the following vulnerability has been resolved: x86/MCE/AMD: Use an u64 for bankmap Thee maximum number of MCA banks is 64 MAXNRBANKS, see...

CVE-2023-31364

Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine VM to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service...

CVE-2023-31364

Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine VM to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service...

CVE-2023-31364

CVE-2023-31364 involves improper handling of direct memory writes in the IOMMU. A malicious guest VM could flood the host with writes, potentially triggering a fatal machine check error (MCE) and denial of service. Connected details indicate an AMD-specific risk vector where guest VMs may flood t...

CVE-2023-31364

Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine VM to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service...

EUVD-2023-35675

Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine VM to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service...

CVE-2023-31364

Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine VM to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service...

CVE-2023-31364

Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine VM to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service...

PT-2026-22189

Name of the Vulnerable Software and Affected Versions versions affected versions not specified Description A flaw exists due to improper handling of direct memory writes in the input-output memory management unit. A malicious guest virtual machine VM could potentially overwhelm the host with writ...

AMD Guest Initiated Machine Check Errors - Lenovo Support US

No description provided...

Guest Initiated Machine Check Errors

Summary AMD received a report from the security team at Amazon Web Services AWS indicating that it may be possible for guest VMs to cause a crash of a host system. By flooding the host system with a large number of malformed System Management Interrupts SMIs, it may be possible for a guest VM to...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003548)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003548 advisory. Race condition in the storeintwithrestart function in arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel through 4.15.7 allows local users to cause a denial of...

CVE-2025-40230

No description is available for this CVE. Mitigation Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability...

CVE-2025-40230

In the Linux kernel, the following vulnerability has been resolved: mm: prevent poison consumption when splitting THP When performing memory error injection on a THP Transparent Huge Page mapped to userspace on an x86 server, the kernel panics with the following trace. The expected behavior is to...