Intel Processor Firmware May 2026 Security Update

Intel has informed HP of a potential security vulnerability identified in some Intel® Processors, which might allow information disclosure. Intel is releasing microcode updates to mitigate this potential vulnerability. Intel has released updates to mitigate the potential vulnerability. HP has...

USN-8265-1 linux-nvidia-tegra 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 24.04 LTS / 25.10 : Linux kernel vulnerabilities (USN-8245-1)

"The remote Ubuntu 24.04 LTS / 25.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8245-1 advisory. Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify...

USN-8257-1: Linux kernel (Raspberry Pi) 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...

Astra Linux - уязвимость в intel-microcode

Improper input validation in some IntelR TDX module software before version 1.5.05.46.698 may allow a privileged user to potentially enable escalation of privilege via local access...

USN-8185-2 linux-nvidia-lowlatency 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-8183-2 linux-aws, linux-aws-6.17, linux-hwe-6.17, linux-oracle, linux-oracle-6.17 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...

Fedora 43 : microcode_ctl (2026-60e8919a4a)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-60e8919a4a advisory. - Update to upstream 2.1-51. 20260210 - Addition of 06-ae-01/0x97 GNR-D B0/B1 microcode at revision 0x10002f3; - Update of 06-6a-06/0x87 ICX-SP D0 microcode...

CLSA-2026-1771414778 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,...

CVE-2025-52534

Improper bound check within AMD CPU microcode can allow a malicious guest to write to host memory, potentially resulting in loss of integrity...

CVE-2025-52534

Improper bound check within AMD CPU microcode can allow a malicious guest to write to host memory, potentially resulting in loss of integrity...

UBUNTU-CVE-2025-52534

Improper bound check within AMD CPU microcode can allow a malicious guest to write to host memory, potentially resulting in loss of integrity...

CVE-2025-52534

Improper bound check within AMD CPU microcode can allow a malicious guest to write to host memory, potentially resulting in loss of integrity...

CVE-2025-52534

Improper bound check within AMD CPU microcode can allow a malicious guest to write to host memory, potentially resulting in loss of integrity...

CVE-2025-52534

Improper bound check within AMD CPU microcode can allow a malicious guest to write to host memory, potentially resulting in loss of integrity...

CVE-2025-52534

Improper bound check within AMD CPU microcode can allow a malicious guest to write to host memory, potentially resulting in loss of integrity...

CVE-2025-52534

CVE-2025-52534 affects AMD CPUs (AMD EPYC/embedded families) via an improper bound check in CPU microcode. A malicious guest could write to host memory, potentially compromising integrity. Public sources list the vulnerability but do not describe exploited in-the-wild activity; remediation/patch ...

CLSA-2026-1770373628 Update of microcode_ctl

Update Intel CPU microcode to 20251111: - Addition of cpuid:806F8/0x10 SPR-HBM B3 microcode in microcode.dat at revision 0x2c000410; - Addition of cpuid:806F8/0x87 SPR-SP E5/S3 microcode in microcode.dat at revision 0x2b000650; - Addition of cpuid:90672/0x07 ADL-HX/S 8+8 C0 microcode in...

CLSA-2026-1770215200 Update of microcode_ctl

Update Intel CPU microcode to 20251111: - Addition of cpuid:806F8/0x10 SPR-HBM B3 microcode in microcode.dat at revision 0x2c000410; - Addition of cpuid:806F8/0x87 SPR-SP E5/S3 microcode in microcode.dat at revision 0x2b000650; - Addition of cpuid:90672/0x07 ADL-HX/S 8+8 C0 microcode in...