linux-kernel-exploitation

Linux Kernel Exploitation A collection of links related to Linux kernel security and exploitation. Updated bimonthly. Pull requests are welcome as well. Follow @andreyknvl on X, @[email protected] on Mastodon, or @andreyknvl on Bluesky to be notified of updates. Subscribe to @linkersec on...

CVE-2024-30088

CVE-2024-30088 Bug: Bug is inside function AuthzBasepCopyoutInternalSecurityAttributes when kernel copies the AUTHZBASEPSECURITYATTRIBUTESINFORMATION of current token object to user mode, which has structure like this: //0x30 bytes sizeof struct AUTHZBASEPSECURITYATTRIBUTESINFORMATION ULONG...

CVE-2022-0185

CVE-2022-0185 This repo contains demo exploits for CVE-2022-0185. There are two versions here. The non-kctf version fuse version specifically targets Ubuntu with kernel version 5.11.0-44. It does not directly return a root shell, but makes /bin/bash suid, which will lead to trivial privilege...

cve-2024-1086-writeup

CVE-2024-1086 Root Cause & Exploitation Target kernels: Linux 6.8 netfilter nftables Novel angle: Logic confusion in nftverdictinit causes refcount double-free, exploitable via heap spray to arbitrary memory write. Table of Contents 1. Background — netfilter / nftables overview 2. Root Cause...

qq-tim-elevation

Tencent QQ/TIM Local Privilege Elevation Affected Products: QQ 9.7.1.28940 9.7.8.29039 TIM 3.4.5.22071 3.4.7.22084 Affected Components: QQProtect.exe 4.5.0.9424 in TIM 3.4.5.22071 QQProtect.exe 4.5.0.9426 in QQ 9.7.1.28940 QQProtectEngine.dll 4.5.0.9424 in TIM 3.4.5.22071 QQProtectEngine.dll...

flatpak: flatpak: Arbitrary write access as root via extra-data extraction

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extractextradata. On system installs, the write happens as root. Two issues combine: files/extra is resolved via path operations that follow symlinks, and blob nam...

Important: Red Hat Security Advisory: flatpak security update

An update for flatpak is now available for Red Hat Enterprise Linux 7 Extended Lifecycle 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 available fo...

flatpak: flatpak: Arbitrary write access as root via extra-data extraction

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extractextradata. On system installs, the write happens as root. Two issues combine: files/extra is resolved via path operations that follow symlinks, and blob nam...

flatpak: flatpak: Arbitrary write in root context via path traversal in deploy directory files/etc

A path traversal vulnerability in Flatpak's handling of the files/etc directory during app deployment allows a malicious Flatpak app to cause certain host system files such as passwd, group, machine-id, or resolv.conf to be emptied or replaced with a symlink when the app is installed or upgraded...

flatpak: flatpak: Arbitrary write in root context via path traversal in deploy directory files/etc

A path traversal vulnerability in Flatpak's handling of the files/etc directory during app deployment allows a malicious Flatpak app to cause certain host system files such as passwd, group, machine-id, or resolv.conf to be emptied or replaced with a symlink when the app is installed or upgraded...

flatpak: flatpak: Arbitrary write access as root via extra-data extraction

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extractextradata. On system installs, the write happens as root. Two issues combine: files/extra is resolved via path operations that follow symlinks, and blob nam...

CVE-2014-0816

CVE-2014-0816 This is an exploit for CVE-2014-0816 JVNDB-2014-000026: Norman Security Suite vulnerable to privilege escalation. This exploit launches CMD.exe with SYSTEM privilege from Non-Administrator privilege by exploiting the vulnerability in an IOCTL handler of ngs.sys / ngs64.sys. Usage...

HITCON-2023-Demo-CVE-2023-20562

HITCON 2023 Demo CVE-2023-20562 Description This demonstration took place at HITCON 2023 in Taiwan. The demo highlights the exploitation of AMDCpuProfiler.sys within AMD μProf. By triggering an arbitrary write on the EPROCESS token, privilege escalation to SYSTEM level is achieved. Disabling the...

CVE-2026-31431-CopyFail-Universal-LPE

CVE-2026-31431 "Copy Fail" — Universal LPE Exploit Linux kernel page cache 4-byte arbitrary write → Local Privilege Escalation Multiple exploit approaches: dynamic ELF entry point overwrite, full binary replacement, Python 3.x compatible with ctypes splice fallback. What is this? CVE-2026-31431 i...

cve-2016-0040

cve-2016-0040 poc for cve-2016-0040 bug found and exploited by Meysam Firozi @R00tkitSmm this poc help write arbitrary data to arbitrary address in windows kernel for more info see ny blog : http://ioctl.ir/index.php/2016/02/13/cve-2016-0040-story-of-uninitialized-pointer/...

SEP-14.2-Arbitrary-Write

CVE-2020-5837 exploit The write up can be found in the blog of the RedyOps Labs: https://labs.redyops.com/index.php/2020/04/27/symantec-endpoint-protection-sep-14-2-eop-via-arbitrary-write/ Third Party Tools This exploit code, is heavily based on symboliclink-testing-tools which was Developed by...

cve-2024-32002-poc-aw

CVE-2024-32002 PRC AW A POC for CVE-2024-32002 demonstrating arbitrary write into the .git directory. See cve-2024-32002-submodule-aw for the related submodule repository. What this repo contains A symlink with an arbitraty name that links to the .git directory. A .gitmodules file that defines th...

CVE-2026-40003

CVE-2026-40003 aka Joselito is arbitrary memory write vulnerability found in the ZXIC/Sanechips ZX297520V3 SoC BootROM. !CAUTION This PoC has been published for research purposes only. You must NOT use this exploit for any malicious purposes. Do NOT use the exploit on devices you do not own or...

IoRingReadWritePrimitive

IoRingReadWritePrimitive Post exploitation technique to turn arbitrary kernel write / increment into full read/write primitive on Windows 11 22H2+ This PoC is using the HackSysExtremeVulnerableDriver. The PoC supports both arbitrary write and arbitrary increment, controlled through a flag passed...

flatpak: flatpak: Arbitrary write access as root via extra-data extraction

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extractextradata. On system installs, the write happens as root. Two issues combine: files/extra is resolved via path operations that follow symlinks, and blob nam...