# CVE-2023-1631: JiangMin Antivirus IOCTL kvcore.sys 0x222010 null pointer dereference

> A local attacker can cause a denial of service in JiangMin Antivirus via a null pointer dereference in the kvcore.sys driver.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 25 Mar 2023
- **Updated:** 22 Nov 2024
- **Also known as:** GHSA-www7-fg82-q962

## What is CVE-2023-1631?

CVE-2023-1631 is a medium-severity vulnerability in JiangMin Antivirus, published on 25 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability, which was classified as problematic, was found in JiangMin Antivirus 16.2.2022.418. This affects the function 0x222010 in the library kvcore.sys of the component IOCTL Handler. The manipulation leads to null pointer dereference. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The identifier VDB-224013 was assigned to this vulnerability.

Weakness: CWE-476 (NULL Pointer Dereference)

## Which versions are affected by CVE-2023-1631?

It affects 1 product.


Products: Jiangmin Jiangmin Antivirus.

## How do I fix CVE-2023-1631?

No fix has been published for CVE-2023-1631 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-1631 being exploited?

There is no known exploitation of CVE-2023-1631 in the wild and no public exploit code.

## Other vulnerabilities in JiangMin Antivirus

- [CVE-2023-1627](https://insights.sbomify.com/CVE-2023-1627/): Jianming Antivirus IoControlCode kvcore.sys denial of service (medium 5.5)
- [CVE-2023-1628](https://insights.sbomify.com/CVE-2023-1628/): Jianming Antivirus IoControlCode kvcore.sys null pointer dereference (medium 5.5)
- [CVE-2023-1630](https://insights.sbomify.com/CVE-2023-1630/): JiangMin Antivirus IOCTL kvcore.sys 0x222000 denial of service (medium 5.5)
- [CVE-2020-14955](https://insights.sbomify.com/CVE-2020-14955/): Denial of service in n/a (medium 5.5)
- [CVE-2023-1626](https://insights.sbomify.com/CVE-2023-1626/): Jianming Antivirus IoControlCode kvcore.sys memory corruption (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-1631 and fix it if it is affected.

What it is: CVE-2023-1631 is a medium-severity vulnerability in JiangMin Antivirus, published on 25 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-1631 in the wild and no public exploit code.

Affected product: JiangMin Antivirus. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-1631/ (Markdown: https://insights.sbomify.com/CVE-2023-1631/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-1631
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-1631
- OSV: https://osv.dev/vulnerability/CVE-2023-1631

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-1631/
Summaries are generated and may contain mistakes; the official description above is the record.