Copy_Grail

copygrail | copy-fail-CVE-2026-31431 copygrail is a compact, single-file C++ implementation of the CVE-2026-31431 "Copy Fail" local privilege escalation vulnerability. It showcases a clean AFALG + splice page cache corruption technique that can be used to overwrite a setuid binary and escalate...

CVE-2026-31431

Copy Fail CVE-2026-31431 - Comprehensive Writeup 1. Vulnerability Overview Vulnerability Name: Copy Fail CVE Identifier: CVE-2026-31431 Discovered By / Authors: Xint Code Research Team building upon initial foundational research by Theori researcher Taeyang Lee. "Copy Fail" is a critical logic...

copyfail

Copy Fail - CVE-2026-31431 PoC in C Local privilege escalation exploit for CVE-2026-31431 Copy Fail, written in C. How It Works 1. ELF parsing : resolves /usr/bin/su's entry point virtual address to a file offset via PTLOAD program headers 2. AFALG setup : binds to authencesnhmacsha256,cbcaes wit...

Copy-Fail

CVE-2026-31431 – "Copy Fail" Reachability Checker A simple, safe Python script that determines whether a Linux system is vulnerable to CVE-2026-31431 "Copy Fail", a local privilege escalation that affects all major distributions since kernel 4.14. ⚠️ What is Copy Fail? CVE-2026-31431 is a...

Copy-Fail-CVE-2026-31431

Copy-Fail-CVE-2026-31431 A proof-of-concept exploit reproduction of the Linux kernel vulnerability CVE-2026-31431 , also known as Copy Fail. Credits to: Copy Fail Affected Systems Linux kernel versions 4.14 and newer Most major distributions released from 2017 until patch deployment Ubuntu, Debia...

local-exploits

Local Exploits Various local exploits CVE-2020-8793 opensmptd-makemap-lpe - Fedora 31 OpenSMTPD makemap local root exploit. Code mostly taken from Qualys advisory 2020-02-24 for CVE-2020-8793. opensmtpd: Reading of arbitrary file by unprivileged attacker can result in information disclosure or...

CVE-2023-52654

Run file python3 CVE-2023-52654.py or sudo CVE-2023-52654.py latest kernel bypass root updated POC just run python file with root or without root ✅ Features Automatically escalate privileges on Unix systems by exploiting misconfigured setuid/setgid binaries, capabilities, and sudo permissions...

CVE-2023-0386-libs

Install compilation environment sudo apt install -y gcc libfuse-dev pkg-config Compile exploit gcc -Wall CVE-2023-0386.c pkg-config fuse --cflags --libs -DFILEOFFSETBITS=64 -o CVE-2023-0386-exp -static -lfuse Generate shellcode msfvenom -p linux/x86/exec CMD=/bin/sh PrependSetuid=True -f elf -o...

CVE-2021-3156

CVE-2021-3156 PoC Introduction This is an exploit for the CVE-2021-3156 vulnerability in sudo dubbed Baron Samedit by Qualys. Usage build: $ make target list: $ ./sudo-hax-me-a-sandwich run: $ ./sudo-hax-me-a-sandwich manual mode: $ ./sudo-hax-me-a-sandwich Brute force target detection experiment...

Rocky Linux 9 [CIQ] Security Update: glibc / glibc-all-langpacks / glibc-benchtests / etc (crlsa-2025_8655)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20258655 advisory. glibc: static setuid binary dlopen may incorrectly search LDLIBRARYPATH CVE-2025-4802 Tenable has extracted the preceding description block directly from the CIQ...

CentOS Linux 8.4 [TuxCare] Security Update: openssh / openssh-askpass / openssh-cavs / openssh-clients / etc (CENTOS8.4:CLSA-2026:1777567965)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1777567965 advisory. - In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the...

CentOS Linux 8.4 [TuxCare] Security Update: sudo / sudo-devel (CENTOS8.4:CLSA-2026:1777939719)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1777939719 advisory. - In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the maile...

AlmaLinux 9.2 [TuxCare] Security Update: sudo / sudo-devel / sudo-python-plugin (ALMALINUX9.2:CLSA-2026:1778005006)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778005006 advisory. - In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the maile...

CentOS Linux 8.5 [TuxCare] Security Update: sudo / sudo-devel (CENTOS8.5:CLSA-2026:1777940187)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1777940187 advisory. - In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the maile...

Rocky Linux 9 [CIQ] Security Update: go-toolset / golang / golang-bin / golang-docs / golang-misc / etc Multiple Vulnerabilities (crlsa-2023_3923)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20233923 advisory. golang: cmd/go: go command may generate unexpected code at build time when using cgo CVE-2023-29402 golang: cmd/go: go command may execute arbitrary code a...

Rocky Linux 8 [CIQ] Security Update: compat-libpthread-nonshared / glibc / glibc-all-langpacks / etc (crlsa-2025_8686)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20258686 advisory. glibc: static setuid binary dlopen may incorrectly search LDLIBRARYPATH CVE-2025-4802 Tenable has extracted the preceding description block directly from the CIQ...

CVE-2021-4034

Study Project CVE-2021-4034 PwnKit This repository contains the materials, code examples, and documentation for the study project within the elective module Applied IT Security about the security vulnerability CVE-2021-4034 , also known as PwnKit. Summary This study project within the elective...

CVE-2025-57489

CVE-2025-57489 Description From the developer's blog: When the lock in SuperDuper is unlocked to allow execution to occur without having to enter an administrator password, a 3rd party program could make use of our authorization to run something other than a backup with administrator privileges...

CentOS Linux 6 [TuxCare] Security Update: openssh / openssh-askpass / openssh-clients / openssh-ldap / etc (CENTOS6:CLSA-2026:1777942153)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1777942153 advisory. - In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the...

CentOS Linux 7 [TuxCare] Security Update: openssh / openssh-askpass / openssh-cavs / openssh-clients / etc (CENTOS7:CLSA-2026:1777941033)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1777941033 advisory. - In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the...