CVE-2026-102704 arbitrary read/write via grant copy

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

CVE-2026-102704 arbitrary read/write via grant copy

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

CVE-2026-102704

The Xen hypervisor contains a vulnerability where a malicious guest VM can read and write the memory of other VMs, including dom0 . The root cause lies in the grant copy operation; for performance, Xen caches validated data, but a misplaced check incorrectly allowed copying by frame number outsid...

CVE-2026-102703 arbitrary read/write via grant copy

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

CVE-2026-102703

A flaw exists in the Xen hypervisor involving Grant Copy operations used for memory sharing between virtual machines. Due to performance optimizations, Xen caches internal validation data; however, it fails to properly re-validate this data when frame numbers and grant references are intermixed. ...

CVE-2026-102703 arbitrary read/write via grant copy

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

CVE-2026-87039

The user-mode syscall verifier zvrfyi2sconfigure in drivers/i2s/i2shandlers.c copies the caller's struct i2sconfig in from user memory and then, when cfg-frameclkfreq is 0 the API's "unconfigure the stream" request, jumps straight to zimpli2sconfigure without performing the...

Security update for xen

This update for xen fixes the following issues: Security issue fixed: CVE-2026-102703,CVE-2026-102704: arbitrary read/write via grant copy bsc1288663. Non security issue fixed: Xen: Missing upstream bug fixes bsc1027519. Special Instructions and Notes: Please reboot the system after installing th...

SUSE-SU-2026:5087-1 Security update for xen

This update for xen fixes the following issues: Security issue fixed: - CVE-2026-102703,CVE-2026-102704: arbitrary read/write via grant copy bsc1288663. Non security issue fixed: - Xen: Missing upstream bug fixes bsc1027519...

arbitrary read/write via grant copy

ISSUE DESCRIPTION A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches details internally to reuse already validated data. The conditions on when to re-validate the internal data...

qu1ckr00t

qu1ckr00t A PoC application demonstrating the power of an Android kernel arbitrary R/W CVE-2019-2215. Writeup: https://hernan.de/blog/2019/10/15/tailoring-cve-2019-2215-to-achieve-root/ Qu1ckR00t is a PROOF OF CONCEPT. It should NOT be used on your personal device with valuable userdata. It has...

CVE-2025-7771

A exploit app written in Rust for CVE-2025-7771 At a glance of the source code data.rs, store the vulnerable driver binary as a static array exploit.rs, implement a arbitrary read/write primitives based on that vulnerable drvier filemap.rs, a simple wrapper for win32 file mapping ops nt.rs, some ...

cve-2016-7190

Overview CVE-2016-7190 0 is a heap overflow in the Array.map function of ChakraCore that allows to overwrite adjacent memory. The main idea to gain arbitrary read-write access is to first allocate a number of consecutive JavaScript integer Arrays. and to exploit the overflow to manipulate the siz...

PS4-6.20-WebKit-Code-Execution-Exploit

PS4 6.20 WebKit Code Execution PoC This repo contains a proof-of-concept PoC RCE exploit targeting the PlayStation 4 on firmware 6.20 leveraging CVE-2018-4441. The exploit first establishes an arbitrary read/write primitive as well as an arbitrary object address leak in wkexploit.js. It will then...

IKEV2-POC

EpSiLoNPoInTIkEv2.cpp ⚠️ Project in finalization stage. NOT fully functional in its current state. Description EpSiLoNPoInTIkEv2.cpp is a C/C++ exploit prototype targeting Windows, developed around an exploitation of type double-free inikeext.dll Windows IKEv2 driver, referenced under research as...

lenovo-dispatcher-poc

Lenovo Dispatcher PoC This is a basic proof of concept to exploit lenovo dispatcher driver LnvMSRIO.sys CVE-2025-8061. Vulnerabilities found by Luis Casvella source: https://blog.quarkslab.com/exploiting-lenovo-driver-cve-2025-8061.html. The main idea of this poc is to exploit the read/write...

PS5-UMTX-Jailbreak

PSFree version 1.4.0 PSFree is a WebKit exploit using CVE-2022-22620 to gain arbitrary read/write. vulnerable: PS4 6.xx-9.xx tested 6.00-9.60 PS5 1.xx-5.xx tested 1.00-5.50 CREDITS: anonymous for PS4 firmware kernel dumps janisslsm from ps4-dev on discord.com contributed ROP chain managers for 8....

CVE-2021-21551

CVE-2021-21551 Proof of concept exploit for CVE-2021-21551, vulnerability comes from user provided addresses being provided as arguments to a memmove call allowing for an arbitary read/write ioctls 0x9B0C1EC4 and 0x9B0C1EC8 as well as the physical address parameter for a MmMapIoSpace call that...

CVE-2025-21333-POC

CVE-2025-21333-POC Proof of Concept that exploits CVE-2025-21333 in vkrnlintvsp.sys not so reliable see Requirements and Limitations section. Under the References section are located very helpful resources for who wants to play with the exploit. A detailed analysis of the vulnerability and the...

CVE-2022-23222

CVE-2022-23222 Chinese writeup: https://tr3e.ee/posts/cve-2022-23222-linux-kernel-ebpf-lpe.txt For educational/research purposes only. Use at your own risk. Build & Run $ make cc -I include -static -w -o exploit exploit.c $ ./exploit phase1/8 'create bpf maps' running + phase1/8 'create bpf maps'...