# CVE-2023-1626: Jianming Antivirus IoControlCode kvcore.sys memory corruption

> A local attacker can exploit memory corruption in the Jianming Antivirus kernel driver to achieve privilege escalation or code execution.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **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:** 2 Aug 2024
- **Also known as:** GHSA-w82x-wr5m-8q52

## What is CVE-2023-1626?

CVE-2023-1626 is a medium-severity memory corruption vulnerability in Jianming 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 was found in Jianming Antivirus 16.2.2022.418. It has been declared as critical. This vulnerability affects unknown code in the library kvcore.sys of the component IoControlCode Handler. The manipulation leads to memory corruption. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-224008.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2023-1626?

It affects 1 product.


Products: Jiangmin Jiangmin Antivirus.

## How do I fix CVE-2023-1626?

No fix has been published for CVE-2023-1626 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-1626 being exploited?

There is no known exploitation of CVE-2023-1626 in the wild and no public exploit code.

## Other vulnerabilities in Jianming 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-2023-1631](https://insights.sbomify.com/CVE-2023-1631/): JiangMin Antivirus IOCTL kvcore.sys 0x222010 null pointer dereference (medium 5.5)
- [CVE-2020-14955](https://insights.sbomify.com/CVE-2020-14955/): Denial of service in n/a (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-1626 and fix it if it is affected.

What it is: CVE-2023-1626 is a medium-severity memory corruption vulnerability in Jianming 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-2023-1626 in the wild and no public exploit code.

Affected product: Jianming 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-2023-1626/ (Markdown: https://insights.sbomify.com/CVE-2023-1626/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-1626
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-1626
- OSV: https://osv.dev/vulnerability/CVE-2023-1626

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-1626/
Summaries are generated and may contain mistakes; the official description above is the record.