firehol

FireHOL http://firehol.org/ FireHOL, an iptables stateful packet filtering firewall for humans! FireQOS, a TC based bandwidth shaper for humans! Git These instructions are for people who are working with the git repository. There are more general instructions starting with Upgrade Notes. Cloning...

meltdown-exploit

MELTDOWN EXPLOIT POC Speculative optimizations execute code in a non-secure manner leaving data traces in microarchitecture such as cache. Lipp et. al 2018 published their code 2018-01-09 at https://github.com/IAIK/meltdown. Look at their paper for details: https://meltdownattack.com/meltdown.pdf...

meltdown-exploit

MELTDOWN 익스플로잇 POC 추측 기반 최적화는 코드를 안전하지 않은 방식으로 실행하여 캐시와 같은 마이크로아키텍처에 데이터 추적을 남깁니다. Lipp et. al 2018은 2018-01-09에 코드를 https://github.com/IAIK/meltdown에 게시했습니다. 자세한 내용은 논문을 참조하세요: https://meltdownattack.com/meltdown.pdf. 현재는 linuxprocbanner만 덤프할 수 있습니다. 액세스된 메모리가 캐시에 있어야 하기 때문이며 linuxprocbanner는...

CVE-2016-5195

记录は学習目的のみとし、不正な用途への使用は禁止する 原理 この脆弱性の原理は、並行してダーティページを書き込むことで、元々読み取り専用権限のファイル内容を変更させることにある もし変更されたファイルがroot所有かつSUID権限を持つ場合、それを利用して権限昇格を行うことができる 影響範囲 2016年10月より前にコンパイルされ、かつバージョンが2.6.22から4.8.3の間のカーネル。2016年10月以降は高い確率でパッチが適用されているため...

spectre-attack-demo

Spectre Attack 예제 2018년 1월 2일에 공개된 "Spectre" 취약점 CVE-2017-5753 및 CVE-2017-5715을 사용한 예제입니다. Spectre는 서로 다른 애플리케이션 간의 격리를 깨뜨립니다. 공격자가 모범 사례를 따르는 오류 없는 프로그램을 속여 비밀을 유출하도록 할 수 있습니다. 실제로, 해당 모범 사례의 안전 검사는 공격 표면을 증가시키고 애플리케이션을 Spectre에 더 취약하게 만들 수 있습니다. Spectre 논문 - Spectre 논문 및 코드 소스 언어 C, 다음 라이브러리 사용...

CVE-2025-14172-Nuclei-Template

📄 CVE-2025-14172를 위한 Nuclei 템플릿 🚀 개요 이 저장소는 WordPress 플러그인 WP Page Permalink Extension 의 인증 누락 취약점CVE-2025-14172을 탐지하기 위해 특별히 설계된 Nuclei 템플릿을 제공합니다. 이 문제는 인증된 공격자가 취약한 AJAX 액션을 통해 사이트의 재작성 규칙을 원격으로 초기화할 수 있게 합니다. 🔍 취약점 설명 CVE-2025-14172 는 WordPress용 WP Page Permalink Extension 플러그인의...

CVE-2026-98347

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Avoid restoring OPERUP after multicast flush ipoibibdevflushlight temporarily clears IPOIBFLAGOPERUP to prevent multicast joins while ipoibmcastdevflush is running, and restores the flag afterwards if it was previously...

CVE-2026-98347 IB/IPoIB: Avoid restoring OPER_UP after multicast flush

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Avoid restoring OPERUP after multicast flush ipoibibdevflushlight temporarily clears IPOIBFLAGOPERUP to prevent multicast joins while ipoibmcastdevflush is running, and restores the flag afterwards if it was previously...

CVE-2026-98347 IB/IPoIB: Avoid restoring OPER_UP after multicast flush

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Avoid restoring OPERUP after multicast flush ipoibibdevflushlight temporarily clears IPOIBFLAGOPERUP to prevent multicast joins while ipoibmcastdevflush is running, and restores the flag afterwards if it was previously...

CVE-2026-98347

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Avoid restoring OPERUP after multicast flush ipoibibdevflushlight temporarily clears IPOIBFLAGOPERUP to prevent multicast joins while ipoibmcastdevflush is running, and restores the flag afterwards if it was previously...

CVE-2026-98231

In the Linux kernel, the following vulnerability has been resolved: xfrm: serialize state GC with device state flush The deferred-device pass in xfrmdevstateflush finds states under xfrmstatedevgclock, but drops the lock before calling xfrmdevstatefree because the driver callback may sleep. The...

PT-2026-106560

In the Linux kernel, the following vulnerability has been resolved: xfrm: serialize state GC with device state flush The deferred-device pass in xfrm dev state flush finds states under xfrm state dev gc lock, but drops the lock before calling xfrm dev state free because the driver callback may...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Ice: Do not use the WQMEMRECLAIM flag for the workqueue. When both ice and the irdma driver are loaded, a warning is triggered in checkFlushDependency. This occurs because the ice driver’s workqueue is allocated with the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush the cache for the PASID table before using it. When writing the address of a newly allocated, zero-initialized PASID table to a PASID directory entry, do so after flushing the CPU cache for this PASID table, not...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bcache: fixed a NULL pointer in cachesetFlush 1. LINE1794 – LINE1887 contains code related to the function of bchcachesetalloc. 2. LINE2078 – LINE2142 contains code related to the function of registercacheset. 3. The...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Do not use the WQMEMRECLAIM flag for the workqueue. The issue was reported by a customer during SRIOV testing. When both the i40e and i40iw drivers are loaded, a warning is triggered in the checkFlushDependency function...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: A forced lockup of the work queue has been added to delay processing when using radeon. Although the radeon card performs fence operations and waits for the GPU to complete processing the current batch of rings, there...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: a fix was made to avoid potential memory corruption in updateiostatlatency. A sanity check for iotype was added to prevent potential memory corruption. This fixes the compile error reported below: fs/f2fs/iostat.c:231...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: riscv: Flush the current CPU’s ICache before flushing other CPUs. On SiFive Unmatched, I recently encountered the following bug during bootup: 0.000000 ftrace: allocating 36610 entries in 144 pages 0.000000 Oops – illegal...

TID-The-Instant-Destroyer

TID — 즉시 파괴자 캐시 기반 부채널 공격 방어 분야의 독립적인 보안 연구. 개요 TID는 사용 직후 CPU 캐시 계층$L1, L2, \text and L3$에서 민감한 데이터 잔여물예: 암호화 키을 제거하도록 설계된 특수 프로토콜입니다. 이는 시스템 메모리RAM에서 데이터가 지워진 후에도 하드웨어 구조에 데이터가 남아 있는 중요한 보안 격차를 해결합니다. 주요 성과 검증된 방어: Flush+Reload 및 유사한 마이크로아키텍처 부채널 공격을 효과적으로 완화합니다. 측정 가능한 성능: 비보호 접근: 78 CPU 사이클 캐...