CVE-2025-21991 x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes

In the Linux kernel, the following vulnerability has been resolved: x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes Currently, loadmicrocodeamd iterates over all NUMA nodes, retrieves their CPU masks and unconditionally accesses per-CPU data for the first CPU of each mask...

AMD processors’ vulnerabilities, related to improper access control, allow attackers to execute arbitrary code.

The vulnerability of AMD processors is related to improper access control in the System Management Mode SMM. Exploiting this vulnerability can allow a remote attacker to execute arbitrary code...

Important: kernel

Issue Overview: An out-of-bounds read flaw was found in the Linux kernel's TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flushtoldisc function. This flaw allows a local user...

Important: Red Hat Bug Fix Advisory: microcode_ctl bug fix and enhancement update

An update for microcodectl is now available for Red Hat Enterprise Linux 9. The microcodectl packages provide microcode updates for Intel and AMD processors. Bug Fixes and Enhancements: RHEL 9.5.z Update Intel CPU microcode to the latest version JIRA:RHEL-76084 microcodectl: Improper input...

Important: Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update

An update for microcodectl is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.4 Telecommunications Update Service. The microcodectl packages provide microcode...

Important: Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update

An update for microcodectl is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. The microcodectl packages provide microcode updates for Intel and AMD processors. Bug Fixes and Enhancements: microcodectl: Improper input validation in UEFI firmware rhel-9.4.z JIRA:RHEL-79231...

Important: Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update

An update for microcodectl is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. The microcodectl packages provide microcode updates for Intel and AMD processors. Bug Fixes and Enhancements: microcodectl: Improper input validation in UEFI firmware JIRA:RHEL-79218 microcodectl...

Linux Distros Unpatched Vulnerability : CVE-2023-20588

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality. CVE-2023-20588 Note that Nessus...

Linux Distros Unpatched Vulnerability : CVE-2022-23825

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure. CVE-2022-23825 Not...

Linux Distros Unpatched Vulnerability : CVE-2022-27672

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially...

ROS-20250226-05

A vulnerability in AMD processors is associated with improper access control in System Management Mode SMM. Exploitation of the vulnerability could allow an attacker acting remotely to execute arbitrary code...

CVE-2024-56721 x86/CPU/AMD: Terminate the erratum_1386_microcode array

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Terminate the erratum1386microcode array The erratum1386microcode array requires an empty entry at the end. Otherwise x86matchcpuwithstepping will continue iterate the array after it ended. Add an empty entry to...

UBUNTU-CVE-2024-53114

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Clear virtualized VMLOAD/VMSAVE on Zen4 client A number of Zen4 client SoCs advertise the ability to use virtualized VMLOAD/VMSAVE, but using these instructions is reported to be a cause of a random host reboot. Thes...

Moderate: Red Hat Security Advisory: microcode_ctl security 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 Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fr...

Moderate: microcode_ctl security update

The microcodectl packages provide microcode updates for Intel and AMD processors. Security Fixes: kernel: local privilege escalation on Intel microcode on IntelR XeonR CVE-2023-22655 kernel: Local information disclosure on IntelR AtomR processors CVE-2023-28746 kernel: Local information disclosur...

ALSA-2024:9401 Moderate: microcode_ctl security update

The microcodectl packages provide microcode updates for Intel and AMD processors. Security Fixes: kernel: local privilege escalation on Intel microcode on IntelR XeonR CVE-2023-22655 kernel: Local information disclosure on IntelR AtomR processors CVE-2023-28746 kernel: Local information disclosur...

RHEL 9 : microcode_ctl (RHSA-2024:9401)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2024:9401 advisory. The microcodectl packages provide microcode updates for Intel and AMD processors. Security Fixes: kernel: local privilege escalation on Inte...

microcode_ctl 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...

microcode_ctl bug fix and enhancement update

An update is available for microcodectl. This update affects Rocky Linux 8. 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...

New Research Reveals Spectre Vulnerability Persists in Latest AMD and Intel Processors

More than six years after the Spectre security flaw impacting modern CPU processors came to light, new research has found that the latest AMD and Intel processors are still susceptible to speculative execution attacks. The attack, disclosed by ETH Zürich researchers Johannes Wikner and Kaveh...