lvi-lfb-attack-poc

PoC for the LVI-LFB Control Flow Hijacking attack CVE-2020-0551 This repository holds the sources for the LVI-LFB Control Flow Hijacking attack PoC. Contents lvi-cfh-poc - hijack the control flow of another process via line-fill buffer spraying whitepaper Prerequisites 1. Visual Studio 2015 2. A...

microcode_ctl security, bug fix, and enhancement update

20260812-1.0.2 - disable late update for 06-ad-01 20260812-1.0.1 - enable use with ueknext and UEK8 kernels - don't bother calling dracut if virtualized - ensure UEK also rebuilds initramfs - enable early update for 06-4f-01 - enable early and late load on RHCK 4:20260812-1 - Update Intel CPU...

microcode_ctl security, bug fix, and enhancement update

20260812-1.0.2 - disable late update for 06-ad-01 20260812-1.0.1 - add support for UEK7/UEK8 and ueknext kernels - don't bother calling dracut if virtualized Orabug: 35710094 - ensure UEK also rebuilds initramfs Orabug: 34280058 - enable early update for 06-4f-01 - remove no longer appropriate...

meltdown

Meltdown Proof-of-Concept This repository contains several applications, demonstrating the Meltdown bug. For technical information about the bug, refer to the paper: Meltdown by Lipp, Schwarz, Gruss, Prescher, Haas, Mangard, Kocher, Genkin, Yarom, and Hamburg The applications in this repository a...

ExecASLR-ekoparty

ExecASLR - Abusing Intel branch predictors to bypass ASLR What is ASLR Address Space Layout Randomization is a mitigation used to make harder to exploit memory corruption attacks. In a scenario of a buffer overflow vulnerability, for example, an attacker that tries to make a Return Oriented...

prefetch-tool

Strumento Prefetch KASLR per Windows Uno strumento proof-of-concept per bypassare KASLR ASLR del kernel su Windows 11. Ispirato da EntryBleed per Linux. Questo strumento è stato sviluppato come parte di un exploit che ha come target Windows 11 24H2. Non sono affatto un esperto di canali laterali,...

SUSE-SU-2026:23602-1 Security update for ucode-intel

This update for ucode-intel fixes the following issues: - Intel CPU Microcode was updated to the 20260812 release bsc1274785 - Removed MTL/06-aa-04/c0 due to functional issues observed when loading the MCU in some platforms. - Intel CPU Microcode was updated to the 20260811 release bsc1274785 -...

SUSE SLES11 Security Update : microcode_ctl (SUSE-SU-2026:4019-1)

The remote SUSE Linux SLES11 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4019-1 advisory. - Intel CPU Microcode was updated to the 20260812 release bsc1274785 - Removed MTL/06-aa-04/c0 due to functional issues observed when loading t...

RockyLinux 9 : microcode_ctl (RLSA-2026:68011)

The remote RockyLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RLSA-2026:68011 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

4:20260812-1.0.3 - disable late update for 06-ad-01 - add support for UEK7/UEK8 and ueknext kernels - don't bother calling dracut if virtualized Orabug: 35710077 - ensure UEK also rebuilds initramfs Orabug: 34280058 - add support for UEK7 kernels - enable early update for 06-4f-01 - remove no...

Security update for microcode_ctl

This update for microcodectl fixes the following issues: Intel CPU Microcode was updated to the 20260812 release bsc1274785 Removed MTL/06-aa-04/c0 due to functional issues observed when loading the MCU in some platforms. Intel CPU Microcode was updated to the 20260811 release bsc1274785 Security...

SUSE-SU-2026:4019-1 Security update for microcode_ctl

This update for microcodectl fixes the following issues: - Intel CPU Microcode was updated to the 20260812 release bsc1274785 - Removed MTL/06-aa-04/c0 due to functional issues observed when loading the MCU in some platforms. - Intel CPU Microcode was updated to the 20260811 release bsc1274785 -...

CVE-2026-8798 Native entropy source retries the CPU entropy instructions without limit

In Bouncy Castle for Java FIPS BC-FJA before bc-fips 2.1.3, the native entropy source used on Intel platforms retried the CPU entropy instructions without any bound. RDSEED and RDRAND report failure through their carry flag, and the JNI seeding routine spun re-issuing the instruction for as long ...

OESA-2026-2529 microcode_ctl security update

This is a tool to transform and deploy microcode update for x86 CPUs. Security Fixes: Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some IntelR Processors within VMX non-root guest operation may allow an information...

PT-2026-45292

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...

PT-2026-45291

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...

OESA-2026-1418 microcode_ctl security update

This is a tool to transform and deploy microcode update for x86 CPUs. Security Fixes: Improper handling of values in the microcode flow for some IntelR Processor Family may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity atta...

OESA-2026-1420 microcode_ctl security update

This is a tool to transform and deploy microcode update for x86 CPUs. Security Fixes: Improper handling of values in the microcode flow for some IntelR Processor Family may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity atta...

OESA-2026-1422 microcode_ctl security update

This is a tool to transform and deploy microcode update for x86 CPUs. Security Fixes: Improper handling of values in the microcode flow for some IntelR Processor Family may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity atta...

OESA-2026-1419 microcode_ctl security update

This is a tool to transform and deploy microcode update for x86 CPUs. Security Fixes: Improper handling of values in the microcode flow for some IntelR Processor Family may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity atta...