cve/2023/CVE-2023-21400.md

### [CVE-2023-21400](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21400)
![](https://img.shields.io/static/v1?label=Product&message=Android&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20Android%20kernel%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Elevation%20of%20privilege&color=brighgreen)

### Description

In multiple functions  of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.

### POC

#### Reference
- http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html

#### Github
- https://github.com/xairy/linux-kernel-exploitation
Update Sat May 25 21:48:12 CEST 2024 2024-05-25 21:48:12 +02:00			`### [CVE-2023-21400](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21400)`
			`![](https://img.shields.io/static/v1?label=Product&message=Android&color=blue)`
			`![](https://img.shields.io/static/v1?label=Version&message=%3D%20Android%20kernel%20&color=brighgreen)`
			`![](https://img.shields.io/static/v1?label=Vulnerability&message=Elevation%20of%20privilege&color=brighgreen)`

			`### Description`

			`In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.`

			`### POC`

			`#### Reference`
			`- http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html`

			`#### Github`
Update CVE sources 2024-07-25 21:25 2024-07-25 21:25:12 +00:00			`- https://github.com/xairy/linux-kernel-exploitation`
Update Sat May 25 21:48:12 CEST 2024 2024-05-25 21:48:12 +02:00