Ubuntu 24.04 LTS / 25.10 : Linux kernel (GCP) vulnerabilities (USN-8183-1)

"The remote Ubuntu 24.04 LTS / 25.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8183-1 advisory. Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify...

USN-8185-1: Linux kernel (NVIDIA) 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-8185-1 linux-nvidia, linux-nvidia-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-8179-2: Linux kernel (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-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-8183-1: Linux kernel (GCP) 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...

USN-8177-1: 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...

USN-8177-2: 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...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-8179-1)

"The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8179-1 advisory. Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly...

USN-8179-1 linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gke, linux-gkeop, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-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-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...

RHSA-2026:6888 Red Hat Security Advisory: microcode_ctl security update

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Important: Red Hat Security Advisory: microcode_ctl security update

An update for microcodectl is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. 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 availab...

RHEL 10 : microcode_ctl (RHSA-2026:6888)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:6888 advisory. The microcodectl packages provide microcode updates for Intel and AMD processors. Security Fixes: Intel R: From CVEorg collector CVE-2025-35998 For...

CLSA-2026-1774023753 Update of linux-firmware

Addition AMD CPU microcode for processor family 0x1a: cpuid:0x00B00F21ver:0x0B002161, cpuid:0x00B00F81ver:0x0B008121, cpuid:0x00B10F10ver:0x0B101058, cpuid:0x00B20F40ver:0x0B204037, cpuid:0x00B40F40ver:0x0B404035, cpuid:0x00B40F41ver:0x0B404108, cpuid:0x00B60F00ver:0x0B600037,...

SUSE-SU-2026:20941-1 Security update for ucode-intel

This update for ucode-intel fixes the following issues: - Intel CPU Microcode was updated to the 20260210 release bsc1258046: - CVE-2024-24853: Updated fix for incorrect behavior order in transition between executive monitor and SMI transfer monitor STM in some IntelR Processor may allow a...

OPENSUSE-SU-2026:20401-1 Security update for ucode-intel

This update for ucode-intel fixes the following issues: - Intel CPU Microcode was updated to the 20260210 release bsc1258046: - CVE-2024-24853: Updated fix for incorrect behavior order in transition between executive monitor and SMI transfer monitor STM in some IntelR Processor may allow a...