kernel-c-to-rust-spike

Kernel C-to-Rust hardening spike: UVC descriptor parser Can a security-critical Linux kernel C parser be hardened by rewriting it in Rust, with the rewrite shown equivalent to the original and then formally verified? This spike runs the full loop on one target: the UVC video descriptor parser...

CVE-2021-3493-Exploit

CVE-2021-3493-Exploit A proof-of-concept local privilege escalation exploit for CVE-2021-3493, written in C. 📌 Description This repository contains a C implementation of the exploit for CVE-2021-3493. This is a Local Privilege Escalation LPE vulnerability in the OverlayFS implementation in the...

CVE-2026-31431-Copy-Fail

CVE-2026-31431: When the Copy Isn’t a Copy and the Failure Comes Too Late Artifacts and scripts for the CopyFail writeup. The deep-dive walkthrough: https://4xura.com/binex/kernel/copy-fail/ Layout proof-of-concept/ contains the primitive-only demos used in the writeup. exploit-scripts/ contains...

CHARON

/ || | | | / \ | \ / | \ | | | | | || | / \ | | | | | | | | | | | |/ | "It is a fearful thing to fall into the hands of the living God." — Hebrews 10:31 What this is A tight, dependency-free PoC for CVE-2026-46333 : the ptracemayaccess mm==NULL bypass disclosed by Qualys on 2026-05-15. Charon...

CVE-2026-43499

👻 CVE-2026-43499 — GhostLock 15-Year-Old GhostLock Flaw Enables Root and Container Escape on Most Linux Distros GhostLock is a high-severity Use-After-Free UAF vulnerability in the Linux Kernel rtmutex subsystem. The flaw originates from incorrect waiter cleanup during Priority Inheritance PI...

CVE-2026-46331

CVE-2026-46331 - "pedit COW" Vulnerability Assessment & Mitigation Guide This repository contains basic administrative tools to check exposure and apply temporary mitigations against the local privilege escalation vulnerability CVE-2026-46331 known as "pedit COW" in the Linux kernel. Repository...

kernel: ipv4: validate checksum_start before completing checksum

A flaw was found in the Linux kernel. A local attacker or untrusted guest virtual machine can exploit this vulnerability by transmitting network packets containing malformed checksum metadata into the IPv4 networking subsystem. This failure to validate checksum metadata can corrupt memory during...

CVE-2026-31431-copy-fail

CVE-2026-31431 Copy Fail Exploit Part 1: Theoretical Concept How CVE-2026-31431 Works Instead of the system constantly fetching files directly from the slow physical hard disk—which wastes a lot of time the Linux system creates a temporary copy of the file inside RAM, known as the Page Cache. Thi...

CVE-2026-23111

🐧 CVE-2026-23111 - Linux Kernel nftables Use-After-Free Vulnerability ⚠️ Use-After-Free in Linux Kernel nftables 📖 Overview CVE-2026-23111 is a high-severity Use-After-Free UAF vulnerability affecting the Linux kernel's netfilter/nftables subsystem. The flaw originates from incorrect handling of...

ghostlock

GhostLock — Linux kernel rtmutex/futex stack-UAF tracking site Source for the GhostLock patch-status tracker: a single-page site recording which distributions have shipped a fix for the rtmutex/futex stack use-after-free in the Linux kernel. Tracking concluded 2026-08-06 : every tracked kernel...

itscape

ITScape — Linux KVM/arm64 guest-to-host escape tracking site Source for the ITScape patch-status tracker: a single-page site recording which distributions have shipped a fix for the KVM/arm64 guest-to-host escape in the Linux kernel. Where the facts live Everything about the bug — CVE IDs, affect...

kernel: ipv4: validate checksum_start before completing checksum

A flaw was found in the Linux kernel. A local attacker or untrusted guest virtual machine can exploit this vulnerability by transmitting network packets containing malformed checksum metadata into the IPv4 networking subsystem. This failure to validate checksum metadata can corrupt memory during...

pintheft

PinTheft — RDS zerocopy double-free LPE tracking site Source for the PinTheft patch-status tracker: a single-page site recording which distributions have shipped a fix for the RDS zerocopy double-free privilege escalation in the Linux kernel. Where the facts live Everything about the bug — CVE ID...

cifswitch

CIFSwitch — CIFS cifs.spnego key-origin LPE tracking site Source for the CIFSwitch patch-status tracker: a single-page site recording which distributions have shipped a fix for the CIFS cifs.spnego key-origin privilege escalation in the Linux kernel. Where the facts live Everything about the bug ...

cve-2026-43499

GhostLock Exploitation Failure Summary on PD2229 SM8475, 5.10.233 GKI I. Vulnerability and Device Facts 1.1 CVE-2026-43499 GhostLock Basic Information Item| Value ---|--- Vulnerability Type| Stack Use-After-Free in the rtmutex / futex PI path Introduced Version| Linux 2.6.39-rc1 May 2011, commit...

CVE-2026-98700

A flaw was found in the Linux kernel's mac80211 wireless subsystem. The transmission function for encapsulated Ethernet frames fails to set the operating frequency band from the channel context on non-Multi-Link Device MLD interfaces. A local user generating network traffic on an affected interfa...

CVE-2026-98697

A flaw was found in the Linux kernel's USB serial subsystem. A race condition during USB serial driver deregistration can result in a kernel memory leak. A local user with permissions to modify driver attributes can trigger this issue by writing to the dynamic identifier interface while the drive...

CVE-2026-98699

A flaw was found in the Linux kernel's mac80211 wireless subsystem. A race condition occurs during mesh network path deletion when an active lookup reinserts an entry into the fast transmission cache after the cache has been cleared, resulting in a use-after-free condition where memory is accesse...

CVE-2026-98698

A flaw was found in the Linux kernel's mac80211 wireless subsystem. When handling a Fast Initial Link Setup FILS association request frame with an empty payload, the system fails to validate zero-length plaintext before cryptographic processing. This issue causes an invalid memory reference to be...

CVE-2026-98695

A flaw was found in the Linux kernel's USB serial subsystem. A local user could cause a Denial of Service DoS due to a race condition between input/output control ioctl operations and device disconnection. If a USB serial device is disconnected during an active operation, the driver may attempt t...