nullmap

nullmap A very simple driver manual mapper based on my older voidmap and CVE-2023-21768 POC by chompie and b33f. Because the underlying IoRing post-exploitation memory r/w primitive is not handling many consequent reads and writes very well, I've decided to overwrite CR4 to disable SMEP/SMAP to...

CVE-2025-21333

CVE-2025-21333 you can find the first version of exploit for this CVE at https://github.com/MrAle98/CVE-2025-21333-POC/tree/master . I made this new exploit inspired from the one made by MrAle98. It is more stable and little sketchy as it doesn't open windows sandbox process for getting the GUID....

Recreate-cve-2023-21768

Root Cause: Comparing the AFD.sys between the 202209 and 202307 versions, in the function AfdNotifyRemoveIOCompletion, both the 202209 and 202307 Windows versions include a step that uses the ProbeForWrite function to check whether a memory region is in user mode. However, the buffer address...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004033)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004033 advisory. An issue was discovered in domadvise in mm/madvise.c in the Linux kernel before 5.6.8. There is a race condition between coredump operations and the IORINGOPMADVISE...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001672)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001672 advisory. A time-of-check to time-of-use issue exists in iouring subsystem's IORINGOPCLOSE operation in the Linux kernel's versions 5.6 - 5.11 inclusive, which allows a local...

OESA-2025-1285 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: IORINGOPREAD did not correctly consume the provided buffer list when read i/o returned 0 except for -EAGAIN and -EIOCBQUEUED return. This can lead to a potential...

Linux Distros Unpatched Vulnerability : CVE-2023-52926

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - IORINGOPREAD did not correctly consume the provided buffer list when read i/o returned 0 except for -EAGAIN and -EIOCBQUEUED return. This can lead to a potentia...

UBUNTU-CVE-2023-52926

In the Linux kernel, the following vulnerability has been resolved: IORINGOPREAD did not correctly consume the provided buffer list when read i/o returned 0 except for -EAGAIN and -EIOCBQUEUED return. This can lead to a potential use-after-free when the completion via iorwdone runs at separate...

PT-2025-6059 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue arises when IORING REGISTER CLONE BUFFERS is used to clone buffers from one uring instance to another, where the two instances use different memory managers MMs for accountin...

UBUNTU-CVE-2023-1032

The Linux kernel iouring IORINGOPSOCKET operation contained a double free in function syssocketfile in file net/socket.c. This issue was introduced in da214a475f8bd1d3e9e7a19ddfeb4d1617551bab and fixed in 649c15c7691e9b13cbe9bf6c65c365350e056067...

Linux kernel 资源管理错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from incorrect manipulation of iouring and IORINGOPSPLICE, resulting in memory reuse after release...

Linux kernel 竞争条件问题漏洞

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A competitive condition vulnerability exists in domadvise in mm/madvise.c in Linux kernel versions prior to 5.6.8. Th...

PT-2020-4973 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.6.8 Description: The issue is related to a race condition between coredump operations and the IORING OP MADVISE implementation in the do madvise function of the Linux kernel. This condition may allow an attack...