2844 matches found
kernel: hypervisor: Intel Processors: Privilege escalation in Ring 0 via improper value handling
A flaw was found in IntelR Processors within Ring 0, affecting the kernel, hypervisor, and bare metal operating systems. Improper handling of values may allow an authorized adversary with privileged user access to perform a local, high-complexity attack. This can lead to an escalation of privileg...
Important: Red Hat Security Advisory: microcode_ctl security, bug fix, and enhancement update
An update for microcodectl is now available for Red Hat Enterprise Linux 9. 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...
spectreScope
spectreScope The demo of the speculative execution attack Spectre CVE-2017-5753, CVE-2017-5715. Tested On macOS Intel - Apple MacBook Pro Retina, 15-inch, Late 2013 - macOS High Sierra 10.13.2 - 1 IntelR CoreTM i7-4750HQ CPU @ 2.00GHz - git 2.14.3 - cmake 3.10.1 - Xcode 9.2 Linux Intel - HP...
SPOILER
SPOILER: Speculative Load Hazards Boost Rowhammer and Cache Attacks CVE-2019-0162 INTEL-SA-00238 https://www.usenix.org/system/files/sec19-islam.pdf @inproceedings 236252, author = Saad Islam and Ahmad Moghimi and Ida Bruhns and Moritz Krebbel and Berk Gulmezoglu and Thomas Eisenbarth and Berk...
MiniVisorPkg
MiniVisor This is a research hypervisor written as a UEFI and Windows driver for the educational purpose for Intel processors. This MiniVisor, as a UEFI driver, provides the ability to inspect system activities even before the operating system boots, while as a Windows driver, allows developers t...
Intel® Processors Load Value Injection Advisory
Summary: Potential security vulnerabilities in some Intel® Processors may allow information disclosure. Intel and others are releasing software updates to mitigate these potential vulnerabilities. Vulnerability Details: CVEID: CVE-2020-0551 Description: Load value injection in some IntelR...
Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15
The non-transparent sharing of return predictor targets between contexts in some Intel processors may allow an authorized user to potentially enable information disclosure through local access...
Astra Linux – vulnerability in linux-5.10, linux-5.15, linux-6.1
In the Linux kernel, the following vulnerability has been resolved: erofs: fix lz4 inplace decompression Currently, EROFS can map another compressed buffer for inplace decompression, which was used to handle cases where some pages of compressed data are not actually in-place I/O. However, like mo...
Rocky Linux 9 [CIQ] Security Update: microcode_ctl Multiple Vulnerabilities (crlsa-2026_68011)
The Rocky Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the CIQ crlsa-202668011 advisory. kernel: hypervisor: Intel Processors: Privilege escalation in Ring 0 via improper value handling CVE-2025-35973 kernel: microcodectl: Intel Xeon 6...
CentOS Linux 8.4 [TuxCare] Security Update: microcode_ctl Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1770214396)
The CentOS Linux 8.4 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.4:CLSA-2026:1770214396 advisory. - Improper input validation in UEFI firmware for some IntelR Processors may allow a privileged user to potentially enable escalation...
Rocky Linux 10.2 [CIQ] Security Update: microcode_ctl Multiple Vulnerabilities (crlsa-2026_67979)
The Rocky Linux 10.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the CIQ crlsa-202667979 advisory. kernel: hypervisor: Intel Processors: Privilege escalation in Ring 0 via improper value handling CVE-2025-35973 kernel: microcodectl: Intel Xeon 6...
Rocky Linux 8 [CIQ] Security Update: microcode_ctl Multiple Vulnerabilities (crlsa-2026_65147)
The Rocky Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CIQ crlsa-202665147 advisory. kernel: hypervisor: Intel Processors: Privilege escalation in Ring 0 via improper value handling CVE-2025-35973 kernel: microcodectl: Intel Xeon 6...
microcode_ctl security, bug fix, and enhancement update
An update is available for microcodectl. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The microcodectl packages provide microcode updates for Intel and AMD...
kernel: hypervisor: Intel Processors: Privilege escalation in Ring 0 via improper value handling
A flaw was found in IntelR Processors within Ring 0, affecting the kernel, hypervisor, and bare metal operating systems. Improper handling of values may allow an authorized adversary with privileged user access to perform a local, high-complexity attack. This can lead to an escalation of privileg...
kernel: hypervisor: Intel Processors: Privilege escalation in Ring 0 via improper value handling
A flaw was found in IntelR Processors within Ring 0, affecting the kernel, hypervisor, and bare metal operating systems. Improper handling of values may allow an authorized adversary with privileged user access to perform a local, high-complexity attack. This can lead to an escalation of privileg...
Astra Linux – Vulnerability in Linux, Linux 5.10
The non-transparent sharing of branch predictor selectors between contexts in some Intel processors may allow an authorized user to potentially enable information disclosure through local access...
Astra Linux – Vulnerability in Intel Microcode
A observable discrepancy in the RAPL interface of certain Intel processors may allow a privileged user to potentially enable information disclosure through local access...
Astra Linux – Vulnerability in Xen
Observable discrepancies in response times of some Intel processors may allow authorized users to potentially disclose information through local access...
Astra Linux – Vulnerability in Intel Microcode
Improper isolation of shared resources in some IntelR processors may allow an authenticated user to potentially enable information disclosure via local access...
Astra Linux – Vulnerability in Linux 5.15
A NULL pointer dereference flaw was discovered in the Linux kernel’s KVM module. This flaw can lead to a denial of service in the x86emulateinsn function in arch/x86/kvm/emulate.c. The flaw occurs when an illegal instruction is executed on the guest CPU of the Intel model...