CVE-2023-0386

typora-copy-images-to: ./image CVE-2023-0386 Exploit Usage: First : Upload fuse.c and exp.sh to the /tmp directory. You can use scp or python3 -m http.server to upload the file to the target. scp /Desktop/CVE-2023-0386/exp.sh [email protected]:/tmp scp /Desktop/CVE-2023-0386/fuse.c...

winfsp

WinFsp · Windows File System Proxy WinFsp enables developers to write their own file systems i.e. "Windows drives" as user mode programs and without any knowledge of Windows kernel programming. It is similar to FUSE Filesystem in Userspace for Linux and other UNIX-like computers. winfsp.dev...

CVE-2021-33909

CVE-2021-33909 Sequoia Writeup gcc exploit.c -o exploit -lpthread -DBLOCKVIAUSERFAULTFD gcc exploit.hello.c -o exploit.hello -lpthread -lfuse -DFILEOFFSETBITS=64 $ mkdir dir $ ./exploit $pwd/dir id...

CVE-2026-98388

In the Linux kernel, the following vulnerability has been resolved: exec: docloseonexec before taking execupdatelock docloseonexec currently happens while holding the execupdatelock, which is used in a lot of places that access process state to synchronize access checks. I recently added another...

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...

FUSE

FUSE FUSE is a penetration testing system designed to identify Unrestricted Executable File Upload UEFU vulnerabilities. The details of the testing strategy is in our paper, "FUSE: Finding File Upload Bugs via Penetration Testing", which appeared in NDSS 2020. To see how to configure and execute...

CVE-2023-0386

README gcc -Wall exp.c pkg-config fuse --cflags --libs -o exp ./exp /tmp Vulnerability Analysis The theoretical knowledge in this article namespaces, overlay filesystem, fuse filesystem, etc. comes from ChatGPT. Vulnerability Overview Vulnerability ID: CVE-2023-0386 Vulnerable Product: Linux kern...

CVE-2026-90139

A flaw was found in the Linux kernel's Filesystem in Userspace FUSE subsystem. When the fuseiget function fails to allocate an inode, such as under memory pressure, the subsequent fusefillsupersubmount function does not properly handle the returned null value. This oversight can lead to a null...

CVE-2026-90095

A flaw was found in the Linux kernel's FUSE Filesystem in Userspace component. This vulnerability occurs when the FUSEOVERIOURING flag is not correctly handled during the initialization of a FUSE connection. A local attacker or a malicious FUSE server could exploit this by sending IORINGOPURINGCM...

CVE-2026-90096

A flaw was found in the Linux kernel's FUSE Filesystem in Userspace component. When performing direct writes with the OAPPEND flag, the fusedirectwriteiter function incorrectly invalidates the page cache. This can lead to data inconsistency, where concurrent readers may access stale data from the...

CVE-2023-0386

Installation make all How to use Start two terminals and in the first one type ./fuse ./ovlcap/lower ./gc In the second terminal type ./exp...

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-2026-31694-POC

CVE-2026-31694: FUSE readdir cache out-of-bounds write A missing bounds check in fs/fuse/readdir.c:fuseadddirenttocache. A FUSE server returns a dirent with namelen = 4095, which serializes to a 4120-byte record. The kernel copies it into a single 4096-byte page-cache page and overflows by 24...

CVE-2023-0386

Installation make all How to use Start two terminals and in the first one type ./fuse ./ovlcap/lower ./gc In the second terminal type ./exp...

CVE-2026-108982

VeraCrypt 1.26.29 FUSE-T build on macOS sometimes allows unintended access to decrypted data. It does not terminate the FUSE-T auxiliary service go-nfsv4 and its associated VeraCrypt core-service helper processes when a volume is dismounted. After VeraCrypt reports the volume as dismounted, the...

EUVD-2026-97161

VeraCrypt 1.26.29 FUSE-T build on macOS sometimes allows unintended access to decrypted data. It does not terminate the FUSE-T auxiliary service go-nfsv4 and its associated VeraCrypt core-service helper processes when a volume is dismounted. After VeraCrypt reports the volume as dismounted, the...

CVE-2026-108982

The VeraCrypt 1.26.29 (FUSE-T build) on macOS contains a vulnerability where the FUSE-T auxiliary service (go-nfsv4) and its helper processes fail to terminate upon volume dismounting. This incomplete cleanup allows the auxiliary mount to continue serving the decrypted volume image (volume.dmg ) ...

CVE-2026-108982

VeraCrypt 1.26.29 FUSE-T build on macOS sometimes allows unintended access to decrypted data. It does not terminate the FUSE-T auxiliary service go-nfsv4 and its associated VeraCrypt core-service helper processes when a volume is dismounted. After VeraCrypt reports the volume as dismounted, the...

CVE-2026-108982

VeraCrypt 1.26.29 FUSE-T build on macOS sometimes allows unintended access to decrypted data. It does not terminate the FUSE-T auxiliary service go-nfsv4 and its associated VeraCrypt core-service helper processes when a volume is dismounted. After VeraCrypt reports the volume as dismounted, the...

CVE-2023-0386-go-poc

Go PoC of CVE-2023-0386 ./main /tmp/fuse Will run the program and create a fuse mount on "/tmp/fuse" directory. Expects you've compiled the shell in the root directory with a name of "shell" by default. After you've run the program, there should be an executable binary in the "/tmp/ovlmerged/"...